Move mailbox offboard (Cloud to OnPrem) fails with “Cannot find a recipient that has mailbox GUID ‘xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx’.”

1- Hi Folks, we got a case somedays ago where the admin wanted to move the mailbox of user that is hosted in cloud (Exchange Online) to OnPrem environment 2- They commented with us they cannot move back the user in cloud to onprem because of the error below presented on Powershell connected to Exchange…