c# - Random error: System.Data.EntityException: The underlying provider failed on Open -


I get this error in my C # app:

System.Data. EntityException: failed to open the base provider ---> System.Data.SqlClient.SqlException: A connection was successfully established with the server, but then there was an error during the pre-login handshake. (Provider: Shared Memory Provider, Error: 0 - There is no process at the other end of the pipe.) ---> System.ComponentModel.Win32Exception: There is no process at the other end of the pipe

< P> Though weird part is, it is sometimes sometimes I can not reproduce it, and its very random connection string is userid / password correct, and I have not messed with any SQL Server configuration settings . I am using the unit framework 6.1.0.


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