.Net Framework 4.6.1 not defaulting to TLS 1.2

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I had a similar problem and this is what worked for me.

  1. open Powershell and check for supported protocols by using [Net.ServicePointManager]::SecurityProtocol

  2. Run the following 2 cmdlets to set .NET Framework strong cryptography registry keys:

    set strong cryptography on 64 bit .Net Framework (version 4 and above)

    Set-ItemProperty -Path 'HKLM:\SOFTWARE\Wow6432Node\Microsoft\.NetFramework\v4.0.30319' -Name 'SchUseStrongCrypto' -Value '1' -Type DWord

    set strong cryptography on 32 bit .Net Framework (version 4 and above)

    Set-ItemProperty -Path 'HKLM:\SOFTWARE\Microsoft\.NetFramework\v4.0.30319' -Name 'SchUseStrongCrypto' -Value '1' -Type DWord

  3. Restart Powershell and check again for supported protocol by using [Net.ServicePointManager]::SecurityProtocol

It should now display Tls12 as well.

Hope this helps

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