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Connect-IntegratedDatabase/readme.md

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+# Connect to WSUS Integrated Database (WID)
+
+Connect locally to the WSUS Windows Internal Database (WID) via the named pipe to run maintenance or reporting against the `SUSDB` database. WID does not allow remote connections—run tools **on the WSUS server** with administrative privileges.
+
+## Prerequisites
+- Run on the WSUS server, **elevated** (Run as Administrator).
+- One of: SSMS, `sqlcmd`, or the PowerShell `SqlServer` module.
+- Pipe (WID on Server 2012+): `\\.\pipe\MICROSOFT##WID\tsql\query`  
+  Database: `SUSDB`
+
+## SSMS (GUI)
+1. Start SSMS “Run as administrator”.
+2. Server type: Database Engine  
+   Server name: `\\.\pipe\MICROSOFT##WID\tsql\query`  
+   Authentication: Windows Authentication
+3. Connect and open a new query window.
+
+Quick smoke test:
+```sql
+SELECT @@VERSION AS SqlEngineVersion, DB_NAME() AS CurrentDatabase;
+SELECT TOP (5) name, create_date FROM sys.tables ORDER BY create_date DESC;
+```
+## sqlcmd (CLI)
+```bat
+:: Run locally on the WSUS server (elevated)
+sqlcmd -S np:\\.\pipe\MICROSOFT##WID\tsql\query -d SUSDB -E -Q "SELECT TOP (1) GETDATE() AS ConnectedAt;"
+```
+
+## PowerShell (Invoke-Sqlcmd)
+```PowerShell
+Import-Module SqlServer
+
+$Instance = "\\.\pipe\MICROSOFT##WID\tsql\query"
+$Database = "SUSDB"
+
+# One-liner test
+Invoke-Sqlcmd -ServerInstance $Instance -Database $Database -Query "SELECT TOP (1) GETDATE() AS ConnectedAt;"
+
+# Run a maintenance script
+$FileSql = ".\Maintenance.sql"   # e.g., reindex/cleanup queries
+Invoke-Sqlcmd -ServerInstance $Instance -Database $Database -InputFile $FileSql
+```