User can’t access on-prem mailbox after migration to Exchange Online
After migrating a user mailbox to Exchange Online (from Exchange 2016) the user could no longer access some shared mailboxes that are still hosted on-premise in Exchange 2016 (permissions are fine, they could access them prior to being migrated). When…
User can’t access mailbox after migration to Exchange Online
After migrating a user mailbox to Exchange Online (from Exchange 2016) the user could no longer access their mailbox in Outlook, it gave no error just behaved as if it was offline. I tried removing the profile and creating it…