Quick commands

Add Microsoft Entra ID user to local group

Administrators

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

Remote Desktop Users

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