leeejeffries.com If you are having problems with some of your accounts in Office 365 where you have had to modify the name of an on-premise user but it’s not updating the login name of the user once an AD-Sync has completed, you can run this script below to give the user new UPN in Office 365
1 2 3 4 5 6 7 8 | $currentUPN = <Users Current UPN> $newUPN = <Users New UPN> Import-Module Online Connect-MSolService Get-MSolUser -UserPrincipalName $currentUPN Set-MSolUser -UserPrincipalName $currentUPN -NewUserPrincipalName $newUPN Get-MSolUser -UserPrincipalName $newUPN |
No errors should be seen when running this script if all works okay.