TLS 1.2 update in Windows

TLS version 1.2 update in Windows Server 2008 R2, 2012, and Windows 7

Please follow the steps below: 
  1. Ensure Service Pack 1 is installed in your Windows 7 and 2008 R2 servers. 
  2. Make sure the Microsoft update catalog kb3140245 is installed.
  3. Follow the steps as given in this article 
  4. Restart the server
  5. For the TLSv1.2 to get reflected, manual registry keys should be added as provided in the article in Step 3 or the given fix from Microsoft should be installed.
  6. Once this is done, check if the below registry value is set to 0x00000A00
    For x64 machines: HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Internet Settings\WinHttp\DefaultSecureProtocols
    For x32 machines: HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\WinHttp\DefaultSecureProtocols
If the Windows server is still in the DOWN state even after a successful upgrade, check out these troubleshooting steps or the common FAQs relating to TLS version update.

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