Enable support for TLS 1.2 for Microsoft Cloud Service (Exchange、AVD、Teams....etc.)

近幾個月微軟更新雲端服務，幾乎各種連線都開始只支援 TLS 1.2
如果還沒更新或開啟的話就會出現各種連不上、帳號驗證失敗等等問題
參考微軟說明開啟即可

Update to enable TLS 1.1 and TLS 1.2 as default secure protocols in WinHTTP in Windows

上述網頁中的 EasyFix 直連按這裡

或是跑 PowerShell

Set-ExecutionPolicy -ExecutionPolicy RemoteSigned -Force

If (-Not (Test-Path 'HKLM:\SOFTWARE\WOW6432Node\Microsoft\.NETFramework\v4.0.30319')) {
    New-Item 'HKLM:\SOFTWARE\WOW6432Node\Microsoft\.NETFramework\v4.0.30319' -Force | Out-Null;
};

New-ItemProperty -Path 'HKLM:\SOFTWARE\WOW6432Node\Microsoft\.NETFramework\v4.0.30319' -Name 'SystemDefaultTlsVersions' -Value '1' -PropertyType 'DWord' -Force | Out-Null;
New-ItemProperty -Path 'HKLM:\SOFTWARE\WOW6432Node\Microsoft\.NETFramework\v4.0.30319' -Name 'SchUseStrongCrypto' -Value '1' -PropertyType 'DWord' -Force | Out-Null;

If (-Not (Test-Path 'HKLM:\SOFTWARE\Microsoft\.NETFramework\v4.0.30319')) {
    New-Item 'HKLM:\SOFTWARE\Microsoft\.NETFramework\v4.0.30319' -Force | Out-Null;
};
New-ItemProperty -Path 'HKLM:\SOFTWARE\Microsoft\.NETFramework\v4.0.30319' -Name 'SystemDefaultTlsVersions' -Value '1' -PropertyType 'DWord' -Force | Out-Null;
New-ItemProperty -Path 'HKLM:\SOFTWARE\Microsoft\.NETFramework\v4.0.30319' -Name 'SchUseStrongCrypto' -Value '1' -PropertyType 'DWord' -Force | Out-Null;

If (-Not (Test-Path 'HKLM:\SYSTEM\CurrentControlSet\Control\SecurityProviders\SCHANNEL\Protocols\TLS 1.2\Server')) {
    New-Item 'HKLM:\SYSTEM\CurrentControlSet\Control\SecurityProviders\SCHANNEL\Protocols\TLS 1.2\Server' -Force | Out-Null;
};
New-ItemProperty -Path 'HKLM:\SYSTEM\CurrentControlSet\Control\SecurityProviders\SCHANNEL\Protocols\TLS 1.2\Server' -Name 'Enabled' -Value '1' -PropertyType 'DWord' -Force | Out-Null;
New-ItemProperty -Path 'HKLM:\SYSTEM\CurrentControlSet\Control\SecurityProviders\SCHANNEL\Protocols\TLS 1.2\Server' -Name 'DisabledByDefault' -Value '0' -PropertyType 'DWord' -Force | Out-Null;

If (-Not (Test-Path 'HKLM:\SYSTEM\CurrentControlSet\Control\SecurityProviders\SCHANNEL\Protocols\TLS 1.2\Client')) {
    New-Item 'HKLM:\SYSTEM\CurrentControlSet\Control\SecurityProviders\SCHANNEL\Protocols\TLS 1.2\Client' -Force | Out-Null;
};
New-ItemProperty -Path 'HKLM:\SYSTEM\CurrentControlSet\Control\SecurityProviders\SCHANNEL\Protocols\TLS 1.2\Client' -Name 'Enabled' -Value '1' -PropertyType 'DWord' -Force | Out-Null;
New-ItemProperty -Path 'HKLM:\SYSTEM\CurrentControlSet\Control\SecurityProviders\SCHANNEL\Protocols\TLS 1.2\Client' -Name 'DisabledByDefault' -Value '0' -PropertyType 'DWord' -Force | Out-Null;

Write-Host 'TLS 1.2 has been enabled. You must restart the Windows Server for the changes to take affect.' -ForegroundColor Cyan;