This will only work on fully patched Windows Server 2008 R2, Windows Server 2012 or Windows Server 2012 R2. If you apply it to older versions of Windows it will corrupt the registry.
Rename the attached to a .regfile. apply it to the server and reboot. A reboot is required for the fix to apply.Download https://www.nartac.com/Downloads/IISCrypto/IISCrypto40.exeLaunch
IIS Crypto after the reboot to validate the settings. Should look like this:
