Reconnect an Exchange 2013 Mailbox

Scenario:  A mailbox is disabled from an AD user account but it’s still present in Exchange as a disconnected Mailbox.  To view the disconnected mailbox:   Get-MailboxStatistics | Where DisconnectDate -ne $null

Resolution:  Run the following commands:

Connect-Mailbox “Display Name” -Database “DB Name” -user “AD User Object Name”

Example:

Connect-Mailbox “John Jacob” -Database DB03 -user “jjacob”