Ad connect : proxy address property not synching

Steel Contributor
We are setting the mail alias property from local AD proxy address property:

Issue is that
Is not being synched to O365.

Any known issue?
1 Reply

@Marvin Oco 

The .onmicrosoft address is an online attribut, and is not really related to any attribute in the on-prem Active Directory.
If you really need to change it, you need to stop Azure-AD Connect and make sure that the user object is "in-Cloud", edit the alias and then re-enable Azure-AD Connect.