sql client pre-login handshake error

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Hello
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.

Posted 28-Jun-14 19:24pm

m_taha_h

Updated 8-Mar-18 19:06pm

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Tadit Dash (ତଡିତ୍ କୁମାର ଦାଶ) · Answer 1 · 2014-06-28T23:34:00

Solution 1

There are many solutions given at A connection was successfully established with the server, but then an error occurred during the pre-login handshake[^]. Try them.

Posted 28-Jun-14 23:34pm

Tadit Dash (ତଡିତ୍ କୁମାର ଦାଶ)

Member 11475208 · Answer 2 · 2018-05-16T21:28:00

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!

sql client pre-login handshake error

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