Forum Discussion
O365 - Change suffix of a Shared Mailbox
Is it possible to rename and change a suffix of a shared mailbox please?
mailto:Department@contoso.com to mailto:Department@fabrikam
and preserve its content and permissions?
4 Replies
mani422 Just to put it out there, it's easy to do from the admin portal as well (improved GUI).
It's possible, and easily done via PowerShell. Question is what exactly you want to achieve here, change the SMTP address, change the UPN, change any additional references to the domain? And once you make the changes, do you need to keep the old aliases, for delivery purposes?
You can try something like this for example:
Set-mailbox shared@domain.com -WindowsEmailAddress shared@newdomain.com
This will make shared@newdomain.com the new primary SMTP address, while preserving the old one as secondary.
Thanks for that. Not so easy in a hybrid environment or is it?
https://docs.microsoft.com/en-us/exchange/troubleshoot/shared-mailboxes/cannot-access-mailbox
Changing the suffix makes no difference in Hybrid either, the article you're citing is for different issue (cloud-created shared mailbox that you want to access cross-premises).
