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.
|Exchange 2010 to O365 IMAP migration admin username format||11||40|
|Exchange 2010 - Default Receive Connector||2||31|
|Exchange Server 2013 crash||3||17|
|Exchange 2010 and 2016 Coexistance||1||22|