diff --git a/adn/tools/cli/drones/dasuten_download_drive-dasu-sql4.rb b/adn/tools/cli/drones/dasuten_download_drive-dasu-sql4.rb
index 2b523f44..8985baaf 100755
--- a/adn/tools/cli/drones/dasuten_download_drive-dasu-sql4.rb
+++ b/adn/tools/cli/drones/dasuten_download_drive-dasu-sql4.rb
@@ -11,14 +11,12 @@
 
 require 'time'
 require 'json'
-require 'shellwords'
 require 'optparse'
-require 'base64'
-require 'tempfile'
+require_relative 'lib/dasu_executor'
 
 opciones = {
   test_file: nil,
-  file_id: nil  # Google Drive file ID
+  file_id: nil
 }
 
 OptionParser.new do |opts|
@@ -29,83 +27,55 @@ end.parse!(ARGV)
 
 BACKUP_DIR_WINDOWS = "F:\\BACKUP"
 BACKUP_NAME_DEFAULT = "sysdasuten_compressed_ADN.bak"
-TARGET_IP = "192.168.1.11"
-TARGET_USER = "Administrador"
-TARGET_PASS = "UTNlarioja00DASU"
-
-# Determinar nombre del archivo backup
-LOCAL_BACKUP = "#{BACKUP_DIR_WINDOWS}\\#{BACKUP_NAME_DEFAULT}"
-
-puts "[*] Dron: Download desde Google Drive"
-puts "    Nodo: dasu-sql4"
+JSON_PATH = "C:\temp\dron_download_output.json"
 
 # Determinar archivo a descargar
 if opciones[:test_file]
+  puts "[*] Dron: Download desde Google Drive"
+  puts "    Nodo: dasu-sql4"
   puts "    🧪 MODO TEST: Descargando archivo específico"
-  # File ID conocido para test_Backup.bak
   file_id = opciones[:file_id] || "1P0cioDV9kZNXhIJhhdRMhWWjIRsVGcxQ"
   download_url = "https://drive.google.com/uc?export=download&id=#{file_id}"
+  backup_name = opciones[:test_file]
   puts "    File ID: #{file_id}"
-  puts "    Destino: #{LOCAL_BACKUP}"
+  puts "    Destino: #{BACKUP_DIR_WINDOWS}\\#{backup_name}"
 elsif opciones[:file_id]
+  puts "[*] Dron: Download desde Google Drive"
+  puts "    Nodo: dasu-sql4"
   puts "    Download por file ID"
   download_url = "https://drive.google.com/uc?export=download&id=#{opciones[:file_id]}"
+  backup_name = File.basename(opciones[:file_id])
   puts "    File ID: #{opciones[:file_id]}"
-  puts "    Destino: #{LOCAL_BACKUP}"
+  puts "    Destino: #{BACKUP_DIR_WINDOWS}\\#{backup_name}"
 else
-  # Intentar leer file_id desde el output del upload
   UPLOAD_OUTPUT = '/tmp/dron_upload_output.json'
   if File.exist?(UPLOAD_OUTPUT)
     upload_data = JSON.parse(File.read(UPLOAD_OUTPUT))
     drive_ruta = upload_data['drive_ruta']
-
-    # Extraer file_id de la ruta (último componente después del slash)
     file_id = File.basename(drive_ruta)
-
-    # Si es un nombre de archivo con timestamp, buscar el file_id real via rclone
-    # Primero intentamos obtener el file_id desde srv-ns8
-    puts "    Obteniendo file_id desde srv-ns8..."
-    puts "    Drive ruta: #{drive_ruta}"
-
-    # Usar rclone para obtener el file_id del archivo específico
     backup_name = File.basename(drive_ruta)
-    drive_folder = drive_ruta.rpartition('/').first
-    rclone_cmd = "ssh srv-ns8 'rclone lsjson #{drive_folder} 2>/dev/null' | grep -o '\"ID\":\"[^\"]*\".*\"Name\":\"#{backup_name}\"' | head -1 | grep -o '\"ID\":\"[^\"]*\"' | cut -d'\"' -f4"
-    file_id_result = `#{rclone_cmd}`.strip
-
-    if file_id_result && !file_id_result.empty?
-      file_id = file_id_result
-      puts "    File ID obtenido: #{file_id}"
-    else
-      puts "    [!] No se pudo obtener file_id, usando nombre de archivo"
-      file_id = File.basename(drive_ruta)
-    end
-
     download_url = "https://drive.google.com/uc?export=download&id=#{file_id}"
-    backup_name = file_id  # Usar el nombre del archivo desde drive_ruta
-    puts "    Download URL: #{download_url}"
-    puts "    Backup nombre: #{backup_name}"
+    puts "[*] Dron: Download desde Google Drive"
+    puts "    Nodo: dasu-sql4"
+    puts "    Drive ruta: #{drive_ruta}"
+    puts "    File ID: #{file_id}"
     puts "    Destino: #{BACKUP_DIR_WINDOWS}\\#{backup_name}"
   else
-    puts "    [!] Error: Se requiere --test-file o --file-id"
-    puts "    Para produccion: obtener file_id con rclone lsjson desde srv-ns8"
+    puts "[!] Error: Se requiere --test-file o --file-id"
     exit 1
   end
 end
 
 # PowerShell script para download
-# Para archivos grandes, Google Drive muestra página de confirmación de virus.
-# Extraemos los parámetros del formulario y hacemos POST para descargar.
-ps_script = <<~'PSCMD'
+ps_script = <<~PSCMD.strip
   $ErrorActionPreference = "Stop"
-  $BACKUP_DIR = "F:\BACKUP"
-  $DOWNLOAD_URL = "DOWNLOAD_URL_PLACEHOLDER"
-  $BACKUP_NAME = "BACKUP_NAME_PLACEHOLDER"
-  $LOCAL_BACKUP = "$BACKUP_DIR\$BACKUP_NAME"
-  $JSON_PATH = "C:\temp\dron_download_output.json"
+  $BACKUP_DIR = "F:\\BACKUP"
+  $DOWNLOAD_URL = "#{download_url}"
+  $BACKUP_NAME = "#{backup_name}"
+  $LOCAL_BACKUP = "$BACKUP_DIR\\$BACKUP_NAME"
+  $JSON_PATH = "C:\\temp\\dron_download_output.json"
 
-  # Asegurar directorios
-  $null = New-Item -ItemType Directory -Force -Path "C:\temp"
+  $null = New-Item -ItemType Directory -Force -Path "C:\\temp"
   $null = New-Item -ItemType Directory -Force -Path $BACKUP_DIR
 
   Write-Host "[1/3] Iniciando descarga..."
@@ -114,12 +84,10 @@ ps_script = <<~'PSCMD'
   Write-Host "[2/3] Descargando..."
   $start = Get-Date
   try {
-    # Paso 1: Obtener página de confirmación
     $response = Invoke-WebRequest -Uri $DOWNLOAD_URL -UseBasicParsing -Headers @{
       "User-Agent" = "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36"
     }
 
-    # Extraer parámetros del formulario de confirmación
     $html = $response.Content
     $fileId = ""
     $uuid = ""
@@ -131,16 +99,13 @@ ps_script = <<~'PSCMD'
     Write-Host "    File ID: $fileId"
     Write-Host "    UUID: $uuid"
 
-    # Paso 2: Construir URL de descarga con confirmación
     $downloadConfirmUrl = "https://drive.usercontent.google.com/download?id=$fileId&export=download&confirm=$confirm&uuid=$uuid"
     Write-Host "    URL confirmada: $downloadConfirmUrl"
 
-    # Paso 3: Descargar archivo real
     $finalResponse = Invoke-WebRequest -Uri $downloadConfirmUrl -UseBasicParsing -Headers @{
       "User-Agent" = "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36"
     }
 
-    # Guardar contenido
     [System.IO.File]::WriteAllBytes($LOCAL_BACKUP, $finalResponse.Content)
 
     $dur = (New-TimeSpan -Start $start -End (Get-Date)).TotalSeconds
@@ -176,93 +141,17 @@ ps_script = <<~'PSCMD'
   Write-Host "    Output: $($res | ConvertTo-Json -Compress)"
 PSCMD
 
-# Reemplazar placeholders con valores reales
-ps_script = ps_script.gsub('DOWNLOAD_URL_PLACEHOLDER', download_url)
-ps_script = ps_script.gsub('BACKUP_NAME_PLACEHOLDER', backup_name)
+puts "\n[1/2] Ejecutando download en dasu-sql4..."
+DasuExecutor.execute_ps_on_dasu(ps_script, output_path: JSON_PATH)
 
-# Codificar script en base64
-ps_encoded = Base64.strict_encode64(ps_script)
+puts "\n[2/2] Leyendo output JSON..."
+resultado = DasuExecutor.read_json_from_dasu(JSON_PATH)
 
-# Script bash que se ejecuta en srv-dasu
-bash_script = <<~BASHHEREDOC
-  #!/bin/bash
-  export SSHPASS="#{TARGET_PASS}"
-  sshpass -e ssh -o StrictHostKeyChecking=no -p 7022 #{TARGET_USER}@#{TARGET_IP} \
-    "powershell -Command \\\"Invoke-Expression ([System.Text.Encoding]::UTF8.GetString([System.Convert]::FromBase64String('#{ps_encoded}')))\\\""
-BASHHEREDOC
+puts "   Output: #{resultado.to_json}"
 
-# Guardar script bash en archivo temporal
-bash_file = Tempfile.new(['download', '.sh'])
-bash_file.write(bash_script)
-bash_file.chmod(0755)
-bash_file.close
+puts "\n✅ Download completado"
+puts "    Backup: #{resultado['backup_local']}"
+puts "    Duración: #{resultado['duracion']}s"
 
-remote_bash_path = "/tmp/dron_download_#{Time.now.to_i}.sh"
-
-puts "\n[1/3] Copiando script a srv-dasu..."
-scp_cmd = "scp -o StrictHostKeyChecking=no #{bash_file.path} srv-dasu:#{remote_bash_path}"
-unless system(scp_cmd)
-  puts "[!] Error al copiar script"
-  bash_file.unlink
-  exit 1
-end
-
-puts "\n[2/3] Ejecutando en dasu-sql4 vía srv-dasu..."
-ssh_cmd = "ssh srv-dasu 'bash #{remote_bash_path}'"
-output = `#{ssh_cmd}`
-output = output.encode('UTF-8', invalid: :replace, undef: :replace, replace: '?') if output
-puts output
-
-# Limpieza
-bash_file.unlink
-system("ssh srv-dasu 'rm -f #{remote_bash_path}' 2>/dev/null")
-
-if $?.success?
-  puts "\n[3/3] Leyendo output JSON..."
-
-  json_ps = 'Get-Content C:\temp\dron_download_output.json -Raw'
-  json_encoded = Base64.strict_encode64(json_ps)
-
-  json_script = <<~JSONBASH.strip
-    #!/bin/bash
-    export SSHPASS="#{TARGET_PASS}"
-    sshpass -e ssh -o StrictHostKeyChecking=no -p 7022 #{TARGET_USER}@#{TARGET_IP} \
-      "powershell -Command \\\"Invoke-Expression ([System.Text.Encoding]::UTF8.GetString([System.Convert]::FromBase64String('#{json_encoded}')))\\\""
-  JSONBASH
-
-  json_file = Tempfile.new(['json', '.sh'])
-  json_file.write(json_script)
-  json_file.chmod(0755)
-  json_file.close
-
-  remote_json_path = "/tmp/dron_json_#{Time.now.to_i}.sh"
-  system("scp -o StrictHostKeyChecking=no #{json_file.path} srv-dasu:#{remote_json_path}")
-
-  json_cmd = "ssh srv-dasu 'bash #{remote_json_path}'"
-  resultado_json = `#{json_cmd}`.strip
-  resultado_json = resultado_json.encode('UTF-8', invalid: :replace, undef: :replace, replace: '?') if resultado_json
-
-  json_file.unlink
-  system("ssh srv-dasu 'rm -f #{remote_json_path}' 2>/dev/null")
-
-  if resultado_json.empty?
-    puts "[!] No se pudo leer output JSON"
-    exit 1
-  end
-
-  json_match = resultado_json.match(/\{.*\}/m)
-  resultado_json = json_match ? json_match[0] : resultado_json
-
-  puts "   Output: #{resultado_json}"
-  resultado = JSON.parse(resultado_json)
-
-  puts "\n✅ Download completado"
-  puts "    Backup: #{resultado['backup_local']}"
-  puts "    Duración: #{resultado['duracion']}s"
-
-  File.write('/tmp/dron_download_output.json', resultado_json)
-  puts "    JSON guardado en: /tmp/dron_download_output.json"
-else
-  puts "[!] Error en ejecución (código: #{$?.exitstatus})"
-  exit 1
-end
+File.write('/tmp/dron_download_output.json', resultado.to_json)
+puts "    JSON guardado en: /tmp/dron_download_output.json"
diff --git a/adn/tools/cli/drones/dasuten_exportar_diferencial_srvv-fenix.rb b/adn/tools/cli/drones/dasuten_exportar_diferencial_srvv-fenix.rb
index 3aacc09d..50292dd6 100644
--- a/adn/tools/cli/drones/dasuten_exportar_diferencial_srvv-fenix.rb
+++ b/adn/tools/cli/drones/dasuten_exportar_diferencial_srvv-fenix.rb
@@ -5,13 +5,14 @@
 # adn/tools/cli/drones/dasuten_exportar_diferencial_srvv-fenix.rb
 # ==========================================================
 # Dron: Exportar backup DIFERENCIAL de DASUTEN en srvv-fenix
-# Flujo: srvv-fenix → Backup diferencial en E:\BK_SQL\
-# Salida: Marca evento como 'export_complete' con ruta del backup
+# Flujo: srvv-fenix → Backup diferencial en X:\ (share srv-ns8)
+# Salida: export_differential_complete con ruta del backup
 # ==========================================================
 
 require 'tiny_tds'
 require 'time'
 require 'json'
+require_relative 'lib/dasu_executor'
 
 # Nombre del archivo con timestamp
 TIMESTAMP = Time.now.strftime('%Y%m%d_%H%M%S')
@@ -23,10 +24,10 @@ puts "    Destino: #{BACKUP_FILE}"
 puts "    Tipo: DIFFERENTIAL (solo cambios desde último backup completo)"
 
 begin
-  # Autorizar candados primero (necesario para acceder a la bóveda)
+  # Autorizar candados primero
   system("ruby adn/tools/candados/candados.rb authorize >/dev/null 2>&1")
 
-  # Obtener credencial de candados (patrón usado en otros drones)
+  # Obtener credencial de candados
   pass_cmd = "ruby adn/tools/candados/candados.rb get utnlarioja.intranet:monlaricardo 2>/dev/null"
   sql_pass = `#{pass_cmd}`.strip
 
@@ -34,7 +35,7 @@ begin
   sql_host = '10.0.10.200'
 
   if sql_pass.empty?
-    puts "[!] Error: No se pudo obtener credencial de candados (utnlarioja.intranet:monlaricardo)"
+    puts "[!] Error: No se pudo obtener credencial de candados"
     exit 1
   end
 
@@ -64,22 +65,14 @@ begin
   duracion = (Time.now - start).round(2)
   puts "[+] Backup diferencial generado en #{duracion} segundos"
 
-  # Verificar archivo en share
+  # Verificar archivo en share usando módulo común
   puts "\n[1/2] Verificando archivo en share..."
-  begin
-    verify_ps = <<~PSCMD.strip
-      if (Test-Path "#{BACKUP_FILE}") {
-        $size = (Get-Item "#{BACKUP_FILE}").Length
-        Write-Host "Verificado: #{BACKUP_FILE} ($([math]::Round($size/1MB, 2)) MB)"
-      } else {
-        Write-Host "ERROR: No existe #{BACKUP_FILE}"
-        exit 1
-      }
-    PSCMD
-    client.execute("EXEC xp_cmdshell 'powershell -Command \"#{verify_ps.gsub('"', '\"')}\"'")
-    puts "[+] Archivo verificado"
-  rescue => e
-    puts "[!] Error al verificar en X: - #{e.message}"
+  file_info = DasuExecutor.get_file_info_on_fenix(client, BACKUP_FILE)
+
+  if file_info[:exists]
+    puts "[+] Archivo verificado: #{BACKUP_FILE} (#{file_info[:size_mb]} MB)"
+  else
+    puts "[!] Error: No existe el archivo en #{BACKUP_FILE}"
     exit 1
   end
 
diff --git a/adn/tools/cli/drones/dasuten_exportar_srvv-fenix.rb b/adn/tools/cli/drones/dasuten_exportar_srvv-fenix.rb
index cb887b48..6512183b 100755
--- a/adn/tools/cli/drones/dasuten_exportar_srvv-fenix.rb
+++ b/adn/tools/cli/drones/dasuten_exportar_srvv-fenix.rb
@@ -5,19 +5,18 @@
 # adn/tools/cli/drones/dasuten_exportar_srvv-fenix.rb
 # ==========================================================
 # Dron: Exportar backup en srvv-fenix
-# Flujo: srvv-fenix → Backup comprimido en E:\BK_SQL\
-# Salida: Marca evento como 'export_complete' con ruta del backup
+# Flujo: srvv-fenix → Backup comprimido en X:\ (share srv-ns8)
+# Salida: export_complete con ruta del backup
 # ==========================================================
 
 require 'tiny_tds'
 require 'time'
 require 'json'
+require_relative 'lib/dasu_executor'
 
 # Nombre del archivo con timestamp
 TIMESTAMP = Time.now.strftime('%Y%m%d_%H%M%S')
 BACKUP_FILE = "sysdasuten_FULL_#{TIMESTAMP}.bak"
-
-# Unidad de red mapeada en srvv-fenix (share de srv-ns8) - UNICO DESTINO
 BACKUP_NS8 = "X:\\#{BACKUP_FILE}"
 
 puts "[*] Dron: Exportar backup COMPLETO DASUTEN"
@@ -26,10 +25,10 @@ puts "    Destino: #{BACKUP_NS8}"
 puts "    Tipo: FULL (completo)"
 
 begin
-  # Autorizar candados primero (necesario para acceder a la bóveda)
+  # Autorizar candados primero
   system("ruby adn/tools/candados/candados.rb authorize >/dev/null 2>&1")
 
-  # Obtener credencial de candados (patrón usado en otros drones)
+  # Obtener credencial de candados
   pass_cmd = "ruby adn/tools/candados/candados.rb get utnlarioja.intranet:monlaricardo 2>/dev/null"
   sql_pass = `#{pass_cmd}`.strip
 
@@ -37,7 +36,7 @@ begin
   sql_host = '10.0.10.200'
 
   if sql_pass.empty?
-    puts "[!] Error: No se pudo obtener credencial de candados (utnlarioja.intranet:monlaricardo)"
+    puts "[!] Error: No se pudo obtener credencial de candados"
     exit 1
   end
 
@@ -51,8 +50,7 @@ begin
 
   # Crear directorio en share si no existe
   puts "\n[0/2] Verificando directorio en share..."
-  mkdir_sql = "EXEC master.sys.xp_create_subdir 'X:\\'"
-  client.execute(mkdir_sql)
+  client.execute("EXEC master.sys.xp_create_subdir 'X:\\'")
   puts "[+] Directorio share asegurado: X:\\"
 
   # Generar backup comprimido directamente en share X:
@@ -65,21 +63,14 @@ begin
   duracion = (Time.now - start).round(2)
   puts "[+] Backup generado en #{duracion} segundos"
 
-  # Verificar archivo en share
+  # Verificar archivo en share usando módulo común
   puts "[2/2] Verificando archivo en share..."
-  begin
-    verify_ps = <<~PSCMD.strip
-      if (Test-Path "#{BACKUP_NS8}") {
-        $size = (Get-Item "#{BACKUP_NS8}").Length
-        Write-Host "Verificado: #{BACKUP_NS8} ($([math]::Round($size/1MB, 2)) MB)"
-      } else {
-        Write-Host "ERROR: No existe #{BACKUP_NS8}"
-        exit 1
-      }
-    PSCMD
-    client.execute("EXEC xp_cmdshell 'powershell -Command \"#{verify_ps.gsub('"', '\"')}\"'")
-  rescue => e
-    puts "[!] Error al verificar en X: - #{e.message}"
+  file_info = DasuExecutor.get_file_info_on_fenix(client, BACKUP_NS8)
+
+  if file_info[:exists]
+    puts "[+] Archivo verificado: #{BACKUP_NS8} (#{file_info[:size_mb]} MB)"
+  else
+    puts "[!] Error: No existe el archivo en #{BACKUP_NS8}"
     exit 1
   end
 
@@ -101,7 +92,6 @@ begin
   puts "\n✅ Export completado en share"
   puts "    Output: #{output.to_json}"
 
-  # Escribir output para que el orquestador lo lea
   File.write('/tmp/dron_export_output.json', output.to_json)
 
 rescue => e
diff --git a/adn/tools/cli/drones/dasuten_restaurar_dasu-sql4.rb b/adn/tools/cli/drones/dasuten_restaurar_dasu-sql4.rb
index f5b53e3f..f9e8f3d8 100644
--- a/adn/tools/cli/drones/dasuten_restaurar_dasu-sql4.rb
+++ b/adn/tools/cli/drones/dasuten_restaurar_dasu-sql4.rb
@@ -12,18 +12,16 @@
 
 require 'time'
 require 'json'
-require 'base64'
-require 'tempfile'
-require 'shellwords'
+require_relative 'lib/dasu_executor'
 
 DOWNLOAD_OUTPUT = '/tmp/dron_download_output.json'
 BACKUP_DIR_WINDOWS = 'F:\\BACKUP'
+JSON_PATH = 'C:\temp\dron_restore_output.json'
 
 # Leer ruta del backup desde el output del download
 if File.exist?(DOWNLOAD_OUTPUT)
   output = JSON.parse(File.read(DOWNLOAD_OUTPUT))
   backup_local = output['backup_local']
-  # Convertir path Unix a Windows si es necesario
   backup_name = File.basename(backup_local)
   LOCAL_BACKUP = "#{BACKUP_DIR_WINDOWS}\\#{backup_name}"
   puts "[*] Dron: Restaurar backup DASUTEN"
@@ -32,24 +30,18 @@ else
   puts "[*] Dron: Restaurar backup DASUTEN (buscar más reciente)"
 end
 
-TARGET_IP = "192.168.1.11"
-TARGET_USER = "Administrador"
-TARGET_PASS = "UTNlarioja00DASU"
-
 puts "    Nodo: dasu-sql4"
 puts "    Backup: #{LOCAL_BACKUP}"
 
-# PowerShell script para restore (sin checkdb)
-ps_script = <<~'PSCMD'
+# PowerShell script para restore
+ps_script = <<~'PSCMD'.strip
   $ErrorActionPreference = "Stop"
   $BACKUP_DIR = "F:\BACKUP"
   $BACKUP_PATTERN = "sysdasuten_FULL_*.bak"
   $JSON_PATH = "C:\temp\dron_restore_output.json"
 
-  # Asegurar directorio temp
   $null = New-Item -ItemType Directory -Force -Path "C:\temp"
 
-  # Buscar el backup completo más reciente
   Write-Host "[0/1] Buscando backup completo más reciente..."
   $backupFile = Get-ChildItem "$BACKUP_DIR\$BACKUP_PATTERN" | Sort-Object LastWriteTime -Descending | Select-Object -First 1
   if (-not $backupFile) {
@@ -63,10 +55,8 @@ ps_script = <<~'PSCMD'
   Write-Host "[1/1] Ejecutando RESTORE DATABASE..."
   $start = Get-Date
 
-  # Ruta completa a sqlcmd (SQL Server 2019)
   $sqlcmd = "C:\Program Files\Microsoft SQL Server\Client SDK\ODBC\170\Tools\Binn\sqlcmd.exe"
 
-  # Comando RESTORE
   $restoreSql = @"
   RESTORE DATABASE sysdasuten
   FROM DISK = '$LOCAL_BACKUP'
@@ -77,7 +67,6 @@ ps_script = <<~'PSCMD'
 
   Write-Host "    SQL: $restoreSql"
 
-  # Ejecutar restore
   $restoreOutput = & $sqlcmd -S localhost -Q $restoreSql 2>&1
   $exitoRestore = $LASTEXITCODE -eq 0
   $duracionRestore = [math]::Round((New-TimeSpan -Start $start -End (Get-Date)).TotalSeconds, 2)
@@ -90,14 +79,11 @@ ps_script = <<~'PSCMD'
 
   Write-Host "[+] Restore completado en $duracionRestore segundos"
 
-  $duracionTotal = $duracionRestore
-
-  # Output JSON
   $res = @{
     paso = "restore_complete"
     backup_ruta = $LOCAL_BACKUP
     nodo = "dasu-sql4"
-    duracion_total = $duracionTotal
+    duracion_total = $duracionRestore
     duracion_restore = $duracionRestore
     estado_integridad = "PENDING_CHECKDB"
     timestamp = (Get-Date -Format "o")
@@ -110,90 +96,18 @@ ps_script = <<~'PSCMD'
   $res | ConvertTo-Json | Out-File -FilePath $JSON_PATH -Encoding utf8
 PSCMD
 
-# Codificar script en base64
-ps_encoded = Base64.strict_encode64(ps_script)
+puts "\n[1/2] Ejecutando restore en dasu-sql4..."
+DasuExecutor.execute_ps_on_dasu(ps_script, output_path: JSON_PATH)
 
-# Script bash que se ejecuta en srv-dasu
-bash_script = <<~BASHHEREDOC
-  #!/bin/bash
-  export SSHPASS="#{TARGET_PASS}"
-  sshpass -e ssh -o StrictHostKeyChecking=no -p 7022 #{TARGET_USER}@#{TARGET_IP} \
-    "powershell -Command \\\"Invoke-Expression ([System.Text.Encoding]::UTF8.GetString([System.Convert]::FromBase64String('#{ps_encoded}')))\\\""
-BASHHEREDOC
+puts "\n[2/2] Leyendo output JSON..."
+resultado = DasuExecutor.read_json_from_dasu(JSON_PATH)
 
-# Guardar script bash en archivo temporal
-bash_file = Tempfile.new(['restore', '.sh'])
-bash_file.write(bash_script)
-bash_file.chmod(0755)
-bash_file.close
+puts "   Output: #{resultado.to_json}"
 
-remote_bash_path = "/tmp/dron_restore_#{Time.now.to_i}.sh"
+puts "\n✅ Restauración completada"
+puts "    Backup: #{resultado['backup_ruta']}"
+puts "    Estado: #{resultado['estado_integridad']}"
+puts "    Duración: #{resultado['duracion_total']}s"
 
-puts "\n[1/3] Copiando script a srv-dasu..."
-scp_cmd = "scp -o StrictHostKeyChecking=no #{bash_file.path} srv-dasu:#{remote_bash_path}"
-unless system(scp_cmd)
-  puts "[!] Error al copiar script"
-  bash_file.unlink
-  exit 1
-end
-
-puts "\n[2/3] Ejecutando en dasu-sql4 vía srv-dasu..."
-ssh_cmd = "ssh srv-dasu 'bash #{remote_bash_path}'"
-output = `#{ssh_cmd}`
-output = output.encode('UTF-8', invalid: :replace, undef: :replace, replace: '?') if output
-puts output
-
-# Limpieza
-bash_file.unlink
-system("ssh srv-dasu 'rm -f #{remote_bash_path}' 2>/dev/null")
-
-if $?.success?
-  puts "\n[3/3] Leyendo output JSON..."
-
-  json_ps = 'Get-Content C:\temp\dron_restore_output.json -Raw'
-  json_encoded = Base64.strict_encode64(json_ps)
-
-  json_script = <<~JSONBASH.strip
-    #!/bin/bash
-    export SSHPASS="#{TARGET_PASS}"
-    sshpass -e ssh -o StrictHostKeyChecking=no -p 7022 #{TARGET_USER}@#{TARGET_IP} \
-      "powershell -Command \\\"Invoke-Expression ([System.Text.Encoding]::UTF8.GetString([System.Convert]::FromBase64String('#{json_encoded}')))\\\""
-  JSONBASH
-
-  json_file = Tempfile.new(['json', '.sh'])
-  json_file.write(json_script)
-  json_file.chmod(0755)
-  json_file.close
-
-  remote_json_path = "/tmp/dron_json_#{Time.now.to_i}.sh"
-  system("scp -o StrictHostKeyChecking=no #{json_file.path} srv-dasu:#{remote_json_path}")
-
-  json_cmd = "ssh srv-dasu 'bash #{remote_json_path}'"
-  resultado_json = `#{json_cmd}`.strip
-  resultado_json = resultado_json.encode('UTF-8', invalid: :replace, undef: :replace, replace: '?') if resultado_json
-
-  json_file.unlink
-  system("ssh srv-dasu 'rm -f #{remote_json_path}' 2>/dev/null")
-
-  if resultado_json.empty?
-    puts "[!] No se pudo leer output JSON"
-    exit 1
-  end
-
-  json_match = resultado_json.match(/\{.*\}/m)
-  resultado_json = json_match ? json_match[0] : resultado_json
-
-  puts "   Output: #{resultado_json}"
-  resultado = JSON.parse(resultado_json)
-
-  puts "\n✅ Restauración completada"
-  puts "    Backup: #{resultado['backup_ruta']}"
-  puts "    Estado: #{resultado['estado_integridad']}"
-  puts "    Duración: #{resultado['duracion_total']}s"
-
-  File.write('/tmp/dron_restore_output.json', resultado_json)
-  puts "    JSON guardado en: /tmp/dron_restore_output.json"
-else
-  puts "[!] Error en ejecución (código: #{$?.exitstatus})"
-  exit 1
-end
+File.write('/tmp/dron_restore_output.json', resultado.to_json)
+puts "    JSON guardado en: /tmp/dron_restore_output.json"
diff --git a/adn/tools/cli/drones/dasuten_restaurar_diferencial_dasu-sql4.rb b/adn/tools/cli/drones/dasuten_restaurar_diferencial_dasu-sql4.rb
new file mode 100644
index 00000000..be1c4f25
--- /dev/null
+++ b/adn/tools/cli/drones/dasuten_restaurar_diferencial_dasu-sql4.rb
@@ -0,0 +1,119 @@
+#!/usr/bin/env ruby
+# frozen_string_literal: true
+
+# ==========================================================
+# adn/tools/cli/drones/dasuten_restaurar_diferencial_dasu-sql4.rb
+# ==========================================================
+# Dron: Restaurar backup DIFERENCIAL en dasu-sql4
+# Flujo: RESTORE DATABASE ... WITH DIFFERENTIAL (sobre BD existente)
+# Entrada: Backup diferencial en F:\BACKUP\
+# Salida: differential_restore_complete
+# ==========================================================
+
+require 'time'
+require 'json'
+require_relative 'lib/dasu_executor'
+
+JSON_PATH = 'C:\temp\dron_restore_dif_output.json'
+
+puts "[*] Dron: Restaurar backup DIFERENCIAL DASUTEN"
+puts "    Nodo: dasu-sql4"
+puts "    Backup: sysdasuten_DIF_*.bak (más reciente)"
+puts "    Tipo: DIFFERENTIAL (aplica cambios sobre BD existente)"
+
+# PowerShell script para restore diferencial
+ps_script = <<~'PSCMD'.strip
+  $ErrorActionPreference = "Stop"
+  $JSON_PATH = "C:\temp\dron_restore_dif_output.json"
+
+  $null = New-Item -ItemType Directory -Force -Path "C:\temp"
+
+  Write-Host "[1/3] Buscando backup diferencial más reciente..."
+  $backupFile = Get-ChildItem "F:\BACKUP\sysdasuten_DIF_*.bak" | Sort-Object LastWriteTime -Descending | Select-Object -First 1
+
+  if (-not $backupFile) {
+    Write-Host "[!] No se encontró backup diferencial en F:\BACKUP\"
+    exit 1
+  }
+
+  $LOCAL_BACKUP = $backupFile.FullName
+  Write-Host "    Archivo: $LOCAL_BACKUP"
+  Write-Host "    Tamaño: $([math]::Round($backupFile.Length / 1MB, 2)) MB"
+
+  $sqlcmd = "C:\Program Files\Microsoft SQL Server\Client SDK\ODBC\170\Tools\Binn\sqlcmd.exe"
+
+  Write-Host "`n[2/3] Ejecutando RESTORE DATABASE ... WITH DIFFERENTIAL..."
+  $start = Get-Date
+
+  $restoreSql = @"
+  RESTORE DATABASE sysdasuten
+  FROM DISK = '$LOCAL_BACKUP'
+  WITH NORECOVERY, REPLACE
+  "@
+
+  Write-Host "    SQL: $restoreSql"
+
+  $restoreOutput = & $sqlcmd -S localhost -Q $restoreSql 2>&1
+  $exitoRestore = $LASTEXITCODE -eq 0
+  $duracionRestore = [math]::Round((New-TimeSpan -Start $start -End (Get-Date)).TotalSeconds, 2)
+
+  if (-not $exitoRestore) {
+    Write-Host "[!] Error en restore:"
+    Write-Host $restoreOutput
+    exit 1
+  }
+
+  Write-Host "[+] Restore diferencial completado en $duracionRestore segundos"
+
+  Write-Host "`n[3/3] Poniendo base de datos ONLINE..."
+
+  $recoverySql = "RESTORE DATABASE sysdasuten WITH RECOVERY"
+  $recoveryOutput = & $sqlcmd -S localhost -Q $recoverySql 2>&1
+  $exitoRecovery = $LASTEXITCODE -eq 0
+  $duracionRecovery = [math]::Round((New-TimeSpan -Start (Get-Date) -End (Get-Date)).TotalSeconds, 2)
+
+  if ($exitoRecovery) {
+    Write-Host "[+] Base de datos ONLINE"
+  } else {
+    Write-Host "[!] Error en recovery:"
+    Write-Host $recoveryOutput
+    exit 1
+  }
+
+  $duracionTotal = [math]::Round($duracionRestore + $duracionRecovery, 2)
+
+  $res = @{
+    paso = "differential_restore_complete"
+    backup_ruta = $LOCAL_BACKUP
+    backup_tipo = "differential"
+    nodo = "dasu-sql4"
+    duracion_total = $duracionTotal
+    duracion_restore = $duracionRestore
+    duracion_recovery = $duracionRecovery
+    estado_integridad = "PENDING_CHECKDB"
+    timestamp = (Get-Date -Format "o")
+    siguiente_paso = "verificar_integridad"
+  }
+
+  Write-Host "`n✅ Restauración diferencial completada"
+  Write-Host "    Estado: BD ONLINE"
+  Write-Host "    Output: $($res | ConvertTo-Json -Compress)"
+
+  $res | ConvertTo-Json | Out-File -FilePath $JSON_PATH -Encoding utf8
+PSCMD
+
+puts "\n[1/2] Ejecutando restore diferencial en dasu-sql4..."
+DasuExecutor.execute_ps_on_dasu(ps_script, output_path: JSON_PATH)
+
+puts "\n[2/2] Leyendo output JSON..."
+resultado = DasuExecutor.read_json_from_dasu(JSON_PATH)
+
+puts "   Output: #{resultado.to_json}"
+
+puts "\n✅ Restauración diferencial completada"
+puts "    Backup: #{resultado['backup_ruta']}"
+puts "    Estado: #{resultado['estado_integridad']}"
+puts "    Duración total: #{resultado['duracion_total']}s"
+
+File.write('/tmp/dron_restore_dif_output.json', resultado.to_json)
+puts "    JSON guardado en: /tmp/dron_restore_dif_output.json"
diff --git a/adn/tools/cli/drones/dasuten_verificar-integridad_dasu-sql4.rb b/adn/tools/cli/drones/dasuten_verificar-integridad_dasu-sql4.rb
new file mode 100644
index 00000000..cab3f895
--- /dev/null
+++ b/adn/tools/cli/drones/dasuten_verificar-integridad_dasu-sql4.rb
@@ -0,0 +1,96 @@
+#!/usr/bin/env ruby
+# frozen_string_literal: true
+
+# ==========================================================
+# adn/tools/cli/drones/dasuten_verificar-integridad_dasu-sql4.rb
+# ==========================================================
+# Dron: Verificar integridad de BD en dasu-sql4
+# Flujo: DBCC CHECKDB + validaciones post-restore
+# Entrada: BD restaurada (pendiente verificación)
+# Salida: verify_complete con estado de integridad
+# ==========================================================
+
+require 'time'
+require 'json'
+require_relative 'lib/dasu_executor'
+
+JSON_PATH = 'C:\temp\dron_verify_output.json'
+
+puts "[*] Dron: Verificar integridad BD DASUTEN"
+puts "    Nodo: dasu-sql4"
+
+# PowerShell script para DBCC CHECKDB
+ps_script = <<~'PSCMD'.strip
+  $ErrorActionPreference = "Stop"
+  $JSON_PATH = "C:\temp\dron_verify_output.json"
+
+  $null = New-Item -ItemType Directory -Force -Path "C:\temp"
+
+  Write-Host "[1/2] Ejecutando DBCC CHECKDB..."
+  $start = Get-Date
+
+  $sqlcmd = "C:\Program Files\Microsoft SQL Server\Client SDK\ODBC\170\Tools\Binn\sqlcmd.exe"
+
+  $checkdbSql = "DBCC CHECKDB('sysdasuten') WITH NO_INFOMSGS, ALL_ERRORMSGS"
+  Write-Host "    SQL: $checkdbSql"
+
+  $checkdbOutput = & $sqlcmd -S localhost -Q $checkdbSql 2>&1
+  $exitoCheckdb = $LASTEXITCODE -eq 0
+  $duracionCheckdb = [math]::Round((New-TimeSpan -Start $start -End (Get-Date)).TotalSeconds, 2)
+
+  if ($exitoCheckdb) {
+    Write-Host "[+] CHECKDB completado en $duracionCheckdb segundos"
+
+    $tieneErrores = $checkdbOutput -match 'ERROR|corrupt|damaged|inconsistency'
+    $estadoIntegridad = if ($tieneErrores) { 'ERROR_DETECTED' } else { 'OK' }
+
+    $paginasVerificadas = 0
+    if ($checkdbOutput -match '(\d+)\s+pages') {
+      $paginasVerificadas = [int]$matches[1]
+    }
+  } else {
+    $estadoIntegridad = 'CHECKDB_FAILED'
+    Write-Host "[!] CHECKDB falló:"
+    Write-Host $checkdbOutput
+  }
+
+  Write-Host "`n[2/2] Validaciones adicionales..."
+
+  $bdStatusSql = "SELECT state_desc, recovery_model_desc FROM sys.databases WHERE name = 'sysdasuten'"
+  $bdStatus = & $sqlcmd -S localhost -Q $bdStatusSql -h -1
+
+  Write-Host "    Estado BD: $bdStatus"
+
+  $res = @{
+    paso = "verify_complete"
+    nodo = "dasu-sql4"
+    duracion_checkdb = $duracionCheckdb
+    estado_integridad = $estadoIntegridad
+    paginas_verificadas = $paginasVerificadas
+    bd_estado = $bdStatus
+    timestamp = (Get-Date -Format "o")
+    pipeline_completo = $true
+  }
+
+  Write-Host "`n✅ Verificación completada"
+  Write-Host "    Estado integridad: $estadoIntegridad"
+  Write-Host "    Output: $($res | ConvertTo-Json -Compress)"
+
+  $res | ConvertTo-Json | Out-File -FilePath $JSON_PATH -Encoding utf8
+PSCMD
+
+puts "\n[1/2] Ejecutando DBCC CHECKDB en dasu-sql4..."
+DasuExecutor.execute_ps_on_dasu(ps_script, output_path: JSON_PATH)
+
+puts "\n[2/2] Leyendo output JSON..."
+resultado = DasuExecutor.read_json_from_dasu(JSON_PATH)
+
+puts "   Output: #{resultado.to_json}"
+
+puts "\n✅ Verificación completada"
+puts "    Estado integridad: #{resultado['estado_integridad']}"
+puts "    Páginas verificadas: #{resultado['paginas_verificadas'] || 'N/A'}"
+puts "    Duración: #{resultado['duracion_checkdb']}s"
+
+File.write('/tmp/dron_verify_output.json', resultado.to_json)
+puts "    JSON guardado en: /tmp/dron_verify_output.json"
diff --git a/adn/tools/cli/drones/lib/dasu_executor.rb b/adn/tools/cli/drones/lib/dasu_executor.rb
new file mode 100644
index 00000000..e468fb09
--- /dev/null
+++ b/adn/tools/cli/drones/lib/dasu_executor.rb
@@ -0,0 +1,170 @@
+# frozen_string_literal: true
+
+# ==========================================================
+# adn/tools/cli/drones/lib/dasu_executor.rb
+# ==========================================================
+# Módulo helper para ejecutar PowerShell en dasu-sql4 vía srv-dasu
+# Centraliza: SSH, sshpass, base64 encoding, lectura de JSON
+# ==========================================================
+
+require 'base64'
+require 'tempfile'
+
+module DasuExecutor
+  # Configuración del target dasu-sql4
+  TARGET_IP = '192.168.1.11'
+  TARGET_USER = 'Administrador'
+  TARGET_PASS = 'UTNlarioja00DASU'
+  TARGET_PORT = '7022'
+
+  # Path donde se guardan los JSON output en dasu-sql4
+  DEFAULT_JSON_PATH = 'C:\temp\output.json'
+
+  module_function
+
+  # Ejecuta un script PowerShell en dasu-sql4 vía srv-dasu
+  #
+  # @param ps_script [String] Script PowerShell a ejecutar
+  # @param output_path [String] Path donde PowerShell guardará el JSON (default: C:\temp\output.json)
+  # @return [Hash] JSON parseado del output
+  #
+  # Ejemplo:
+  #   result = DasuExecutor.execute_ps_on_dasu(<<~PS)
+  #     @{ status = "ok" } | ConvertTo-Json | Out-File C:\temp\out.json
+  #     Get-Content C:\temp\out.json -Raw
+  #   PS
+  def execute_ps_on_dasu(ps_script, output_path: DEFAULT_JSON_PATH)
+    ps_encoded = Base64.strict_encode64(ps_script)
+
+    bash_script = <<~BASHHEREDOC
+      #!/bin/bash
+      export SSHPASS="#{TARGET_PASS}"
+      sshpass -e ssh -o StrictHostKeyChecking=no -p #{TARGET_PORT} #{TARGET_USER}@#{TARGET_IP} \
+        "powershell -Command \\\"Invoke-Expression ([System.Text.Encoding]::UTF8.GetString([System.Convert]::FromBase64String('#{ps_encoded}')))\\\""
+    BASHHEREDOC
+
+    execute_bash_temporary(bash_script)
+  end
+
+  # Ejecuta un script PowerShell y lee el JSON resultante
+  # Asume que el script escribe un JSON en output_path
+  #
+  # @param ps_script [String] Script PowerShell a ejecutar
+  # @param output_path [String] Path del JSON en dasu-sql4
+  # @return [Hash] JSON parseado
+  def execute_ps_with_json_output(ps_script, output_path: DEFAULT_JSON_PATH)
+    # Ejecutar el script principal
+    execute_ps_on_dasu(ps_script, output_path: output_path)
+
+    # Leer el JSON resultante
+    read_json_from_dasu(output_path)
+  end
+
+  # Lee un JSON desde dasu-sql4
+  #
+  # @param output_path [String] Path del JSON en dasu-sql4 (ej: C:\temp\output.json)
+  # @return [Hash] JSON parseado
+  def read_json_from_dasu(output_path)
+    json_ps = "Get-Content #{output_path} -Raw"
+    json_encoded = Base64.strict_encode64(json_ps)
+
+    json_script = <<~BASHHEREDOC.strip
+      #!/bin/bash
+      export SSHPASS="#{TARGET_PASS}"
+      sshpass -e ssh -o StrictHostKeyChecking=no -p #{TARGET_PORT} #{TARGET_USER}@#{TARGET_IP} \
+        "powershell -Command \\\"Invoke-Expression ([System.Text.Encoding]::UTF8.GetString([System.Convert]::FromBase64String('#{json_encoded}')))\\\""
+    BASHHEREDOC
+
+    resultado = execute_bash_temporary(json_script)
+    resultado = resultado.strip
+
+    # Extraer JSON del output (puede tener ruido)
+    json_match = resultado.match(/\{.*\}/m)
+    resultado = json_match ? json_match[0] : resultado
+
+    require 'json'
+    JSON.parse(resultado)
+  end
+
+  # Ejecuta un script bash temporal y lo limpia después
+  #
+  # @param bash_script [String] Script bash a ejecutar
+  # @param remote_base [String] Directorio remoto base (default: /tmp)
+  # @return [String] Output del comando
+  def execute_bash_temporary(bash_script, remote_base: '/tmp')
+    bash_file = Tempfile.new(['dasu', '.sh'])
+    bash_file.write(bash_script)
+    bash_file.chmod(0755)
+    bash_file.close
+
+    remote_path = "#{remote_base}/dron_#{Time.now.to_i}.sh"
+
+    # Copiar script a srv-dasu
+    scp_cmd = "scp -o StrictHostKeyChecking=no #{bash_file.path} srv-dasu:#{remote_path}"
+    unless system(scp_cmd)
+      bash_file.unlink
+      raise "Error al copiar script a srv-dasu"
+    end
+
+    # Ejecutar script
+    ssh_cmd = "ssh srv-dasu 'bash #{remote_path}'"
+    output = `#{ssh_cmd}`
+    output = output.encode('UTF-8', invalid: :replace, undef: :replace, replace: '?') if output
+
+    # Limpieza
+    bash_file.unlink
+    system("ssh srv-dasu 'rm -f #{remote_path}' 2>/dev/null")
+
+    output
+  end
+
+  # Helper para ejecutar PowerShell en fenix vía xp_cmdshell
+  # Útil para verificar archivos en shares mapeados
+  #
+  # @param client [TinyTds::Client] Conexión SQL Server
+  # @param ps_script [String] Script PowerShell a ejecutar
+  # @return [Array] Resultado de la ejecución
+  def execute_ps_on_fenix(client, ps_script)
+    escaped = ps_script.gsub('"', '\"')
+    client.execute("EXEC xp_cmdshell 'powershell -Command \"#{escaped}\"'")
+  end
+
+  # Verifica si un archivo existe en un path Windows/fenix
+  #
+  # @param client [TinyTds::Client] Conexión SQL Server
+  # @param path [String] Path del archivo (ej: X:\backup.bak)
+  # @return [Boolean] true si existe
+  def file_exists_on_fenix?(client, path)
+    result = client.execute("EXEC master.sys.xp_fileexist '#{path}'")
+    result.to_a.any? { |f| f['File Exists'] == 1 }
+  end
+
+  # Obtiene información de tamaño de un archivo en fenix
+  #
+  # @param client [TinyTds::Client] Conexión SQL Server
+  # @param path [String] Path del archivo
+  # @return [Hash] Con :exists, :size_bytes, :size_mb
+  def get_file_info_on_fenix(client, path)
+    ps_script = <<~PSCMD.strip
+      if (Test-Path "#{path}") {
+        $item = Get-Item "#{path}"
+        Write-Host "EXISTS:1"
+        Write-Host "SIZE:$($item.Length)"
+      } else {
+        Write-Host "EXISTS:0"
+      }
+    PSCMD
+
+    result = execute_ps_on_fenix(client, ps_script)
+    output = result.map { |r| r['output'] }.compact.join("\n")
+
+    exists = output.include?('EXISTS:1')
+    size = output.match(/SIZE:(\d+)/) ? $1.to_i : 0
+
+    {
+      exists: exists,
+      size_bytes: size,
+      size_mb: (size / 1024.0 / 1024.0).round(2)
+    }
+  end
+end