You can maintain this mode for an indefinite period of time, or you can immediately complete the upgrade to Exchange 2013 by moving all resources from Exchange 2010 to Exchange 2013, and then decommissioning the Exchange 2010 servers. You have a coexistence scenario if the following conditions are true:
Definition of serene. 1a : clear and free of storms or unpleasant change serene skiesb : shining bright and steady the moon, serene in glory â Alexander Pope. 2 : august âused as part of a title His Serene Highness. 3 : marked by or suggestive of utter calm and unruffled repose or quietude a serene smile.
composed. That is calm which is free from disturbance or agitation; in the physical sense, free from violent motion or action; in the mental or spiritual realm, free from excited or disturbing emotion or passion. We speak of a calm sea, a placid lake, a serene sky, a still night, a quiet day, a quiet home.