Converting a User to a Shared Mailbox or Vice Versa in Office 365

I was working with a customer recently who wanted to convert a shared mailbox back to a user and found that I was given the following error message: Error on proxy command ‘Set-Mailbox -Type:’Regular’ -Identity:’BLAH’ -Confirm:$False -Force:$True’ to server AMXPR07MB088.eurprd07.prod.outlook.com: Server version 1941996335, Proxy method PSWS: Request return error with following error message: The remote … More Converting a User to a Shared Mailbox or Vice Versa in Office 365