Plesk menu ‘Tools & Settings > FTP Settings’ on Plesk for Windows server can not be opened: The type initializer for ‘psa.ip.device.InternetFirewall’ threw an exception – Plesk

Symptoms

• On a Plesk for Windows server, the Plesk menu Tools & Settings > FTP Settings is not accessible:

  500 PleskUtilException
  winfwmng failed: The type initializer for 'psa.ip.device.InternetFirewall' threw an exception. Creating an instance of the COM component with CLSID {304CE942-6E39-40D8-943A-B913C40C9CD4} from the IClassFactory failed due to the following error: 800706d9 There are no more endpoints available from the endpoint mapper. (Exception from HRESULT: 0x800706D9). (Error code 1)

• The same error can be found on attempt to open the menu Tools & Settings > Firewall.

• In the Windows MMC snap-in Windows Firewall with Advanced Security, the following error is displayed instead of the firewall rules:

  There was an error opening the Windows Firewall with Advanced Security snap-in
  The Windows Firewall with Advanced Security snap-in failed to load. Restart the Windows firewall service on the computer that you are managing. Error code: 0x6D9.

Cause

Windows Server OS Firewall is not accessible via COM.

Resolution

Contact Microsoft Support for fixing issues with the Windows Server OS firewall.