http://developers.de/blogs/damir_dobric/archive/2014/06/17/what-is-state-persistence-in-orleans-and-how-to-use-it.aspx  NOTE : This article is related to “ ORLEANS ” - actor programming framework for .NET The “Orleans” runtime provides a build in support for persistence of the stat of a grain (actor). That means, developer can define a part of the grain to be persistibleenCommunityServer 2008 SP1 (Build: 30619.63)