How to discover WSUS Server from Your Local Machine

# Method 1: PowerShell (the obvious choice)
(Get-ItemProperty HKLM:\Software\Policies\Microsoft\Windows\WindowsUpdate).WuServer

# Method 2: Command Line
REG QUERY "HKLM\Software\Policies\Microsoft\Windows\WindowsUpdate" /v "WUServer"

# Method 3: Compile the log and read it
Get-WindowsUpdateLog -LogPath C:\windowsupdate.log
findstr 'WSUS server:' c:\WindowsUpdate.log

# Method 4: Ask your colleague
# Hey dude, where's our WSUS at?