Exchange 2010 Hybrid Auto Mapping Shared Mailboxes
Migrating shared mailboxes to Office 365 is one of those things that is starting to become easier over time, especially with full access permissions now working cross premises.
One little discovery that I thought I would share is that if you have an Exchange 2010 hybrid configuration, the auto mapping feature will not work cross premises. (Exchange 2013 and above, you are ok and have nothing to worry about).
This means if an on-premises user has access to a shared mailbox that you migrate to Office 365, it will disappear from their Outlook even though they still have full access.… [Keep reading] “Exchange 2010 Hybrid Auto Mapping Shared Mailboxes”