Plesk for Windows upgrade or update fails to start: Could not resolve host: autoinstall-win.plesk.com

Symptoms

• Plesk upgrade or update fails to start, and the page Tools & Settings > Updates & Upgrades is not loading with the error:

  CONFIG_TEXT: Details: ERROR: Failed to read product information from the file : Can't process products.inf3: Failed to download the package http://autoinstall-win.plesk.com/products.inf3:
  Could not resolve host: autoinstall-win.plesk.com; Host not found, try again
  Can't process versions.inf3: Failed to download the package http://autoinstall-win.plesk.com/versions.inf3:

• If connect to the server over RDP, the hostname autoinstall-win.plesk.com cannot be resolved over DNS:

  C:\> C:> nslookup autoinstall-win.plesk.com
  DNS request timed out.
  timeout was 2 seconds.
  Server: UnKnown
  Address: 8.8.8.8
  
  DNS request timed out.
  timeout was 2 seconds.
  DNS request timed out.
  timeout was 2 seconds.
  DNS request timed out.
  timeout was 2 seconds.
  DNS request timed out.
  timeout was 2 seconds.
  *** Request to UnKnown timed-out

Cause

Hostname autoinstall-win.plesk.com is not resolvable over DNS.

Resolution

Contact the network administrator or hosting/server provider to check that the DNS resolvers on the Plesk server are configured correctly.

Once the command nslookup autoinstall-win.plesk.com executed in the Command Prompt or PowerShell returns an IP address, the issue should not occur.