diff --git a/adn/tools/candados/.boveda.json b/adn/tools/candados/.boveda.json
index 07e3a16e..35135799 100644
--- a/adn/tools/candados/.boveda.json
+++ b/adn/tools/candados/.boveda.json
@@ -11,5 +11,6 @@
   "dominio-utnlarioja.intranet:monlaricardo": "eyJpdiI6InFRQ3VNYWlVSHlKMURNdzciLCJ0YWciOiJ1a3hESUZlaEt6enV3UXZxWUFrWXhRPT0iLCJkYXRhIjoiNVNaekdxVyt6dE5WQmhPaXF3PT0ifQ==",
   "deepseek_key": "eyJpdiI6InRCc2IvL3J4SGNsejgvL04iLCJ0YWciOiJBbjRlMTNXNlZzUGhNSWowSUU1a01nPT0iLCJkYXRhIjoiQXR4azk1aU9sb2QydzNwa0FMTHpjVkJKQTIvZU4wY1U2V2crK3NBbVd1UnRmUGh6In0=",
   "srv-ns8:rmonla": "eyJpdiI6IlJ4cHZkbFpJQWVsTTl3T1YiLCJ0YWciOiJ3WTZGMDEvNHNsZm1wZm5jMEF4Q1lBPT0iLCJkYXRhIjoibFljUHRYTm44bUxvQjhCa2tBPT0ifQ==",
-  "dasu-sql3:Administrador": "eyJpdiI6IlRiMDh3U1N2aVhTcDYzbzciLCJ0YWciOiI5NVNyUDFlMXlrM0dGRlNqUXhLbEt3PT0iLCJkYXRhIjoiVkp2V09zSjczcS96UktTSlZTOFdBdz09In0="
+  "dasu-sql3:Administrador": "eyJpdiI6IlRiMDh3U1N2aVhTcDYzbzciLCJ0YWciOiI5NVNyUDFlMXlrM0dGRlNqUXhLbEt3PT0iLCJkYXRhIjoiVkp2V09zSjczcS96UktTSlZTOFdBdz09In0=",
+  "srvv-nginx-rm:rmonla": "eyJpdiI6ImFsQnk5UjhLaDFYWHJsWnciLCJ0YWciOiJJaEtCS215ekkwYVdFR0ZHNzFVN0VBPT0iLCJkYXRhIjoiUkcvSS9sMjhoQnFpRmZobFZBPT0ifQ=="
 }
diff --git a/adn/tools/candados/.session b/adn/tools/candados/.session
deleted file mode 100644
index e57a304f..00000000
--- a/adn/tools/candados/.session
+++ /dev/null
@@ -1 +0,0 @@
-1775682230
\ No newline at end of file
diff --git a/adn/tools/db/core/bitacora_db.rb b/adn/tools/db/core/bitacora_db.rb
index 2be98998..8ef8130a 100644
--- a/adn/tools/db/core/bitacora_db.rb
+++ b/adn/tools/db/core/bitacora_db.rb
@@ -473,7 +473,11 @@ module BitacorasDB
         inicio_horario = Time.new(2000, 1, 1, 8, 0, 0)
         fin_horario = Time.new(2000, 1, 1, 13, 0, 0)
         
-        if modo_bitacora == 'P' && inicio_time >= fin_horario
+        # Ensure we are comparing Times
+        require 'time'
+        inicio_t = inicio_time.is_a?(String) ? Time.parse(inicio_time) : inicio_time
+        
+        if modo_bitacora == 'P' && inicio_t >= fin_horario
           modo = 'R'  # Fuera de horario presencial
         else
           modo = modo_bitacora
@@ -670,9 +674,15 @@ module BitacorasDB
       where_clause_events = if conditions.empty?
         ''
       else
-        # Reemplazar referencias a e. por ev. y eliminar condiciones que no aplican a events
-        conditions_events = conditions.reject { |c| c.include?('bitacora_id') || c.include?('tema_id') || c.include?('ambito_id') }
-        "WHERE #{conditions_events.join(' AND ').gsub('e.', 'ev.')}"
+        # Adaptar condiciones para events: traducir referencias y eliminar las que no aplican
+        conditions_events = conditions.map do |c|
+          if c.include?('e.ambito_id')
+            c.gsub('e.ambito_id', 'n.ambito_id')
+          else
+            c.gsub('e.', 'ev.')
+          end
+        end.reject { |c| c.include?('bitacora_id') || c.include?('tema_id') }
+        conditions_events.empty? ? '' : "WHERE #{conditions_events.join(' AND ')}"
       end
 
       # Unificar eventos de tabla events y entradas para mostrar todo junto
@@ -1045,7 +1055,7 @@ module BitacorasDB
     end
 
     # Actualizar un evento existente
-    def actualizar_evento(id, descripcion: nil, estado: nil, fin: nil)
+    def actualizar_evento(id, descripcion: nil, estado: nil, fin: nil, metadata: nil)
       set_clauses = []
       values = []
       i = 1
@@ -1068,6 +1078,12 @@ module BitacorasDB
         i += 1
       end
 
+      if metadata
+        set_clauses << "metadata = $#{i}"
+        values << metadata.to_json
+        i += 1
+      end
+
       return nil if set_clauses.empty?
 
       set_clauses << "updated_at = NOW()"
diff --git a/adn/tools/w-zombi/data/cmd.json b/adn/tools/w-zombi/data/cmd.json
index 7ed8577c..f54c22c1 100644
--- a/adn/tools/w-zombi/data/cmd.json
+++ b/adn/tools/w-zombi/data/cmd.json
@@ -1 +1 @@
-{"id":2,"cmd":"$ErrorActionPreference='Stop'; Write-Host '=== Instalando QEMU-GA ==='; msiexec /i D:\\guest-agent\\qemu-ga-x86_64.msi /quiet /norestart; Start-Sleep 10; Start-Service QEMU-GA; Write-Host 'QEMU-GA: ' (Get-Service QEMU-GA).Status; Write-Host '=== Instalando Tailscale ==='; [Net.ServicePointManager]::SecurityProtocol = [Net.SecurityProtocolType]::Tls12; iwr https://pkgs.tailscale.com/stable/tailscale-setup-latest.exe -OutFile C:\\tailscale-setup.exe -UseBasicParsing; Start-Process C:\\tailscale-setup.exe /quiet -Wait; Start-Sleep 5; Write-Host '=== Conectando Tailscale ==='; $out = & 'C:\\Program Files\\Tailscale\\tailscale.exe' up 2>&1; Write-Host $out; Write-Host '=== IP Tailscale ==='; & 'C:\\Program Files\\Tailscale\\tailscale.exe' ip"}
+{"id":200,"cmd":"Rename-Computer -NewName dasu-sql3"}
diff --git a/adn/tools/w-zombi/lib/wzombi/routes/exec.rb b/adn/tools/w-zombi/lib/wzombi/routes/exec.rb
new file mode 100644
index 00000000..4a3534de
--- /dev/null
+++ b/adn/tools/w-zombi/lib/wzombi/routes/exec.rb
@@ -0,0 +1,17 @@
+require 'json'
+
+module WZombi
+  module Routes
+    class Exec
+      def initialize(config)
+        @config = config
+      end
+
+      def call(_req, res)
+        res['Content-Type'] = 'text/plain; charset=utf-8'
+        cmd = JSON.parse(File.read(@config.cmd_path))['cmd']
+        res.body = "#{cmd}\n"
+      end
+    end
+  end
+end
\ No newline at end of file
diff --git a/adn/tools/w-zombi/lib/wzombi/routes/ps1.rb b/adn/tools/w-zombi/lib/wzombi/routes/ps1.rb
new file mode 100644
index 00000000..b10149d9
--- /dev/null
+++ b/adn/tools/w-zombi/lib/wzombi/routes/ps1.rb
@@ -0,0 +1,17 @@
+require 'json'
+
+module WZombi
+  module Routes
+    class Ps1
+      def initialize(config)
+        @config = config
+      end
+
+      def call(_req, res)
+        res['Content-Type'] = 'text/plain; charset=utf-8'
+        cmd = JSON.parse(File.read(@config.cmd_path))['cmd']
+        res.body = "#{cmd}\n"
+      end
+    end
+  end
+end
\ No newline at end of file
diff --git a/docs/ambito/dtic-BKPs/A03.P002_Automatizacion_Backups.md b/docs/ambito/dtic-BKPs/A03.P002_Automatizacion_Backups.md
index ed50e6ab..9ed92da8 100644
--- a/docs/ambito/dtic-BKPs/A03.P002_Automatizacion_Backups.md
+++ b/docs/ambito/dtic-BKPs/A03.P002_Automatizacion_Backups.md
@@ -8,7 +8,7 @@
 **Versión:** 1.2  
 **Estado:** ✅ COMPLETADO (F4.1 alertas pendiente futura iteración)  
 **Dependencia:** [A03.P001 — Migración a Tools ADN](A03.P001_Migracion_ADN.md) ✅
-**Última verificación:** 2026-04-06 13:17 (drones operativos)
+**Última verificación:** 2026-04-09 08:40 (dron activos: XEN01 en procesamiento)
 
 ## 📋 Resumen Ejecutivo
 
diff --git a/docs/ambito/dtic-BKPs/A03_dtic-BKPs.md b/docs/ambito/dtic-BKPs/A03_dtic-BKPs.md
index 607bea0c..7098407f 100644
--- a/docs/ambito/dtic-BKPs/A03_dtic-BKPs.md
+++ b/docs/ambito/dtic-BKPs/A03_dtic-BKPs.md
@@ -104,7 +104,7 @@ El ámbito **dtic-BKPs** engloba todas las operaciones de respaldo (backup), pro
 | `dron estado` | Estado detallado de cada dron |
 | `dron limpiar` | Limpiar tareas completadas/fallidas |
 
-**Estado actual (2026-04-06 13:17):** Flota limpia — 2 drones completados y removidos.
+**Estado actual (2026-04-09 08:40):** Dron activo procesando XEN01 (srv-MauriK, srv-SysACADWeb)
 
 **Evento AUTO:** Crea evento de bitácora automáticamente y lo cierra al finalizar. Ideal para cron jobs y tareas desatendidas.
 
diff --git a/nodos/dasu-sql4.md b/nodos/dasu-sql4.md
new file mode 100644
index 00000000..d653a81e
--- /dev/null
+++ b/nodos/dasu-sql4.md
@@ -0,0 +1,42 @@
+# Nodo: dasu-sql4
+
+## Identidad
+- **Hostname**: `dasu-sql4`
+- **Rol**: SQL Server 2019 (DASUTEN) — Modo Workgroup
+- **OS**: Windows Server 2022 Core (Español)
+- **Estado**: 🚧 Configurando
+- **Última Actualización**: 2026-04-09
+- **Padre**: srv-dasu
+
+## Virtualización
+- **Hipervisor**: srv-dasu
+- **VMID**: 106
+- **Tipo**: QEMU/KVM
+- **BIOS**: SeaBIOS
+- **Machine**: pc-i440fx-10.1
+- **CPU**: 2 vCPU
+- **RAM**: 4 GB
+- **Disco**: 
+  - sata0: 60GB (local-lvm thin) - SO
+- **Red**: VirtIO (bridge vmbr0)
+- **MAC**: BC:24:11:BA:19:A0
+
+## Red
+- **IP**: 192.168.1.26 (DHCP ISP)
+- **Gateway**: 192.168.1.1
+- **DNS**: ISP (automático)
+
+## ISO
+- Windows Server 2022 Spanish Evaluation
+- VirtIO drivers
+
+## Historial
+- 2026-04-09 10:30: VM 106 creada (reemplaza dasu-sql3 fallen)
+- 2026-04-09 10:40: Windows Server 2022 Español instalado
+- 2026-04-09 10:50: hostname configurado: dasu-sql4
+
+## Pendiente
+- Instalar drivers VirtIO
+- OpenSSH Server (puerto 7022)
+- Tailscale VPN
+- SQL Server 2019
\ No newline at end of file