A connection was successfully established with the server, but then an error occurred during the pre-login handshake

Question

I am getting following error when i am trying to connect Production DB from Local Environment.

I was able to connect Production DB before, but suddenly i am getting f

Answer 1

Had the same issue, the reason for it was BCrypt.Net library, compiled using .NET 2.0 framework, while the whole project, which used it, was compiling with .NET 4.0. If symptoms are the same, try download BCrypt source code and rebuild it in release configuration within .NET 4.0. After I'd done it "pre-login handshake" worked fine. Hope it helps anyone.