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enter image description hereAn exception of type 'System.Data.Entity.Core.EntityException' occurred in EntityFramework.SqlServer.dll but was not handled in user code

Additional information: The underlying provider failed on Open.

omid
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  • Usually means the server is failing to connect to the DB. Possibly a service account issue. – hvaughan3 Apr 20 '16 at 13:35
  • Possible duplicate of [Entity Framework The underlying provider failed on Open](http://stackoverflow.com/questions/18271301/entity-framework-the-underlying-provider-failed-on-open) – Reza Aghaei Aug 09 '16 at 12:43

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