How to update the username within Office 365 (with AD Connect Synced)

So let’s say you are doing a migration from the local exchange server to Office 365 and you forgot to update the UPN field in Active Directory to match the domain of the email address. If this happens, you need to update the username within Office 365. ¬†Fortunately, I can show you how to do this using PowerShell.

Continue reading “How to update the username within Office 365 (with AD Connect Synced)”