Views:

This issue happens because the following registry entries of the previous installation instance are still present on the Server machine:

  • {347b6647-23c5-48f5-9193-65d7c9da5260}
  • {B99A3B37-E63F-4CE4-A819-A51F0E53B01E}

To resolve the issue:

 
Always back up the whole registry before making any modifications. Incorrect changes to the registry can cause serious system problems.
 
  1. Open Registry Editor.
  2. Navigate to HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Uninstall\
  3. Check for and remove the following Registry Keys:
    • {347b6647-23c5-48f5-9193-65d7c9da5260}
    • {B99A3B37-E63F-4CE4-A819-A51F0E53B01E}
  4. After removing the above keys, reinstall the Policy Server on the machine.