Disabled Mailbox not showing in Disconnected mailbox section

Some times when you disable a mailbox it does not show right away in the disconnected mailbox area.  That usually means Exchange has not run maintenance yet.  If you need to it done pronto and wan't to see the disabled mailbox then run the below powershell command, as it will preform maintenance on the DB.

Clean-MailboxDatabase "MailboxDatabaseName"