Hello. i posted on the O365 Forums however they suggested i posted the question here.
I think this has been posted a few times, i just want to know the best option for changing a user who is "Synced with active directory status" primary SMTP email address
currently on O365 we have John.Smith@contoso.onmicrosoft.com and we want to change it to John.Smith@contoso.com, attempts to change it within the O365 portal fail with a error.
The operation on mailbox "John Smith" failed because it's out of the current user's write scope. The action 'Set-Mailbox', 'EmailAddresses', can't be performed on the object 'John Smith' because the object is being synchronized from your on-premises organization. This action should be performed on the object in your on-premises organization.
what attribute / setting would i need to alter on premise as the mailbox is not present in my on-premise mailbox
Any Suggestions
Many Thanks
Gordon