Tag Archives: UMMailboxPolicy

Exchange Unified Messaging – enable multiple mailboxes for UM

When configuring Exchange Unified Messaging, the last step in the process is to enable a mailbox for Unified Messaging. This means, each individual user from OCS need to have a mailbox, and this mailbox needs to be enabled for UM. In my situation, all OCS users already had an exchange mailbox, as only the UM…

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