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.
Serene Highness. His/Her Serene Highness (abbreviation: HSH, oral address: Your Serene Highness) is a style used today by the reigning families of Liechtenstein and Monaco. Until 1918, it was also associated with the princely titles of members of some German ruling and mediatised dynasties and with a few princely but non-ruling families.