Besides backup, any IT division should have a disaster recovery plan. You will find a few tips below relating to the development of such a plan and to what issues one should pay special attention in the course of backup planning.
|User wants to log with Username or Email||4||47|
|Remove Exchange after Office 365 move||3||44|
|365 Postmaster Spam||2||24|
|Exchange 2007 to 2013 - new servers and migrating users||4||22|