How to find a deleted/disabled mailbox and reconnect it.

When working with disconnected mailboxes I have found where the recently deleted/disabled mailbox doesn’t appear in the Admin Center.

From the exchange management shell you can run the following to find a mailbox, in this case I’m looking for a mailbox for Mark Taylor

The information returned was the following:

As you can see the disconnect date and disconnect reason are blank.

I know the mailbox was on the database MDB01 so again from the shell you can run the following:

Now the results of the previous command show it was disabled and also the ECP shows the mailbox can be reconnected.

 

FYI – Even when the mailbox doesn’t have a disconnect date or reason it is still possible to reconnect it to the AD account from the exchange management shell by running:

 

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