Just a brief post today to outline how to change a Users Username on their Microsoft 365 account.
Why would you want to do this? There could be any number reasons, like the user has gotten married and their surname has changed, or simply that the Active Directory logon username doesn't match their primary email address.
So how do we achieve this?
We will use PowerShell to carry out this change, so open PowerShell as an administrator and carry out the following:
Logon to our M365 Tenant using our admin credentials after running the following command:
Log into your O365 tenant like the screenshot below:
Set-MsolUserPrincipalName -UserPrincipalName "firstname.lastname@example.org" -NewUserPrincipalName "[email protected]"
This is especially handy when you're using AD Connect to replicate your on-premise Active Directory Users to M365 and their logon name does not match their email address. Your task is now complete...
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