Overview: This comprehensive guide provides PowerShell commands for migrating email domains in hybrid Microsoft 365 and Active Directory environments. The scripts cover updating User Principal Names (UPNs), managing Exchange Online mailbox addresses, and configuring Active Directory proxy addresses. Table of Contents Prerequisites Step 1: Update User Principal Names (Microsoft Graph) Step 2: […]
Setting “SendAs” and “FullAccess” authorizations is basically old hat. There are many blog articles and also many scripts on how this can be done for a large number of mailboxes. Nevertheless, I have taken the time to write such a script, which I would like to share with the community. What makes my script different […]