Quick commands

Add Microsoft Entra ID user to local group

Administrators

$UPN = "<yourupn>"
Add-LocalGroupMember -SID 'S-1-5-32-544' -Member "AzureAD\$UPN+

Remote Desktop Users

$UPN = "<yourupn>"
Add-LocalGroupMember -SID "S-1-5-32-555" -Member "AzureAD\$UPN"

KMS

Check KMS Server reachability

Invoke-Expression "$env:windir\system32\cscript.exe $env:windir\system32\slmgr.vbs /skms kms.core.windows.net:1688"