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How to change Alias name in Office 365
I can't change alias name where appeared the message " the object is being synchronized from your on-premises organization. This action should be performed on the object in your on-premises organiza...
- If you are running a hybrid config, you need to use the set-remotemailbox with the -alias parameter with the on premises Exchange shell instead.
Set-remotemailbox -identity walid.fawzy@contoso.com -alias wfawzy
Hi ,
I attached two files for attribute editor and proxy address .
It seems that your main SMTP address uses your real domain ..gy.com, but for aliases you try to use microsoft.com. Just use your own main domain. I don't think you should use domain.onmicrosoft.com either, although this might work. But i think your real domain is what is desired to use in aliases.
I agree with that. You should use only domains, that are configured correctly at O365 admin portal. Also do not use *.onmicrosoft.com, there is problem with synchronizing: https://techcommunity.microsoft.com/t5/Deployment/Issues-with-adding-mydomain-onmicrosoft-com-proxyaddresses/m-p/199482
