SQL Server handshake timeout error at the pre-login


SQL Server handshake timeout error at the pre-login



I'm running VS 2015 and SQL Server 2008 R2 on a remote server.



When I try to connect to my database via SSMS, everything is fine. When I try to connect via Visual Studio Server Explorer, it also works fine, but when I do it through C# SqlClient, it times-out.


SqlClient



I'm always using integrated security.



Everything is running fine on my colleagues computer.



What can cause that? How can I debug it?



Error message :



Connection Timeout Expired. The timeout period elapsed while attempting to consume the pre-login handshake acknowledgement. This could be because the pre-login handshake failed or the server was unable to respond back in time. The duration spent while attempting to connect to this server was - [Pre-Login] initialization=1879; handshake=1




1 Answer
1



Simply deleted thee solution and re imported it from our version control and it worked (rebooting wasn't enough)






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