Use the Shell to re-create the Discovery system mailbox
Use the Shell to re-create the Discovery system mailbox Delete the SystemMailbox{e0dc1c29-89c3-4034-b678-e6c29d823ed9} user account from Active Directory, if it exists. By default, Exchange Server 2013 Setup creates the mailbox in the Users container in Active Directory. For details about how to delete a user account from Active Directory, see Delete a User Account. Prepare Active Directory […]