docs: Valleywide XenServer OFFLINE - critical investigation

Updated emergency session log with XenServer offline status:
- XenServer (older Dell) offline - investigating
- Server3 VM unavailable
- Added to critical next steps

Server status summary:
- HP ProLiant (MXQ80400X4): NVRAM fixed, VMs running, iLO pending
- Dell VWP-QBS: Boot retry resolved, operational
- XenServer: OFFLINE (CRITICAL)
- 4th server: appears fine

Power outage impact assessment ongoing.
Timer running.

Machine: Mikes-MacBook-Air.local
Timestamp: 2026-04-22 10:23:23

Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>

clients/valleywide/README.md

@@ -17,12 +17,14 @@
 - SSH enabled (OpenSSH Server), key auth working for `vwp\guru`
 - Likely runs as VM on HP ProLiant host
 
-**VWP-QBS (172.16.9.169)**
+**VWP-QBS (172.16.9.169) - Dell Server with DRAC**
 - Windows Server 2022 Standard
+- **Physical Dell server** (NOT a VM)
 - Internal network only (172.16.9.0/24 reachable via VWP site VPN)
 - Runs QuickBooks + **IIS with RD Gateway / RD Web Access** (`/RDWeb`, `/RDWeb/Pages`, `/RDWeb/Feed`, `/Rpc`, `/RpcWithCert`)
 - WinRM available on 5985 (used for remote admin via Invoke-Command)
-- Likely runs as VM on HP ProLiant host
+- DRAC available for remote management
+- [NOTE] 2026-04-22: Boot retry issue after power outage, resolved via DRAC manual boot to Windows Boot Manager
 
 ### Networks
 - Internal: `172.16.9.0/24`