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I can connect to remote sql server from my local sql server management studio.
But when I want to connect to this network server, from visual studio (SqlClient), I give following error:
"A connection was successfully established with the server,but then an error occurred during the pre-login handshake.(provider: SSL Provider, error:0 - The wait operation timed out.)

It's remarkable that I can connect to this remote sql server from another client visual studio.
I've enabled sql server tcp/ip and named pipes .

please help me. Thank you.
Updated 8-Mar-18 19:06pm

In my situation, I had a content filter/proxy called Covenant Eyes that was the likely cause.

I tried repairing the install of SQL server 2012 and it crashed the install and still did not fix the problem. As soon as I generated an uninstall code and uninstalled the filter, I could connect; I did not even have to reboot.

Check for proxies and content filters on the machine and disable them!
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