Getting error while adding service reference after the service moved to TLS 1.2.

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While adding service reference for a web service on Windows server 2008 R2, I am facing following error. "The underlying connection was closed: An unexpected error occurred on a send. Unable to read data from the transport connection: An existing connection was forcibly closed by the remote host." This web service recently moved to TLS 1.2 and does not supports below versions of TLS.

What I have tried:

I tried updating registry settings:

[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\.NETFramework\v4.0.30319]
"SchUseStrongCrypto"=dword:00000001

[HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Microsoft\.NETFramework\v4.0.30319]
"SchUseStrongCrypto"=dword:00000001

Posted 30-Mar-17 2:54am

Member 13073319

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Comments

Richard Deeming 30-Mar-17 10:55am

Which version of .NET are you using? TLS1.2 support was added in .NET 4.5, so if you're using anything earlier than that, it's not going to work.

Member 13073319 31-Mar-17 1:40am

I am able to add service reference on VS 2010 on .net framework 4.0 on my local machine, but unable to do it on Windows Server 2008 R2.

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