Configure the .NET Framework to support TLS 1.2

EnableTls12ClientForDotNet.ps1

#
# https://docs.microsoft.com/en-us/mem/configmgr/core/plan-design/security/enable-tls-1-2-client#bkmk_net
# you need to reboot the OS for the new settings to take effect
#

function AddRegValue {
  param (
    $Path,
    $Name,
    $Value,
    $Type
  )
  if (!(Test-Path $Path)) {
    New-Item -Path $Path -Force | Out-Null
    New-ItemProperty -Path $Path -Name $Name -Value $Value -PropertyType $Type -Force | Out-Null
  } else {
    New-ItemProperty -Path $Path -Name $Name -Value $Value -PropertyType $Type -Force | Out-Null
  } 
}

# 32 bit
AddRegValue -Path "HKLM:\SOFTWARE\Microsoft\.NETFramework\v2.0.50727" -Name SystemDefaultTlsVersions -Value 1 -Type DWORD
AddRegValue -Path "HKLM:\SOFTWARE\Microsoft\.NETFramework\v2.0.50727" -Name SchUseStrongCrypto -Value 1 -Type DWORD
AddRegValue -Path "HKLM:\SOFTWARE\Microsoft\.NETFramework\v4.0.30319" -Name SystemDefaultTlsVersions -Value 1 -Type DWORD
AddRegValue -Path "HKLM:\SOFTWARE\Microsoft\.NETFramework\v4.0.30319" -Name SchUseStrongCrypto -Value 1 -Type DWORD

# 64 bit
AddRegValue -Path "HKLM:\SOFTWARE\Wow6432Node\Microsoft\.NETFramework\v2.0.50727" -Name SystemDefaultTlsVersions -Value 1 -Type DWORD
AddRegValue -Path "HKLM:\SOFTWARE\Wow6432Node\Microsoft\.NETFramework\v2.0.50727" -Name SchUseStrongCrypto -Value 1 -Type DWORD
AddRegValue -Path "HKLM:\SOFTWARE\Wow6432Node\Microsoft\.NETFramework\v4.0.30319" -Name SystemDefaultTlsVersions -Value 1 -Type DWORD
AddRegValue -Path "HKLM:\SOFTWARE\Wow6432Node\Microsoft\.NETFramework\v4.0.30319" -Name SchUseStrongCrypto -Value 1 -Type DWORD