The Plesk upgrade to Onyx 17.8 or Obsidian fails on Windows Server: The installation of the package 'plesk-urlprotection' failed with code 1603

Plesk for Windows kb: technical ABT: Group B

Applicable to:

The Plesk upgrade process fails with the following error message:

Unknown.

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Upgrade to Onyx 17.8

Connect to the Plesk server via RDP
Download the plesk-urlprotection package.
Start a command prompt as Administrator.
Stop IIS service:

Warning: Plesk and websites will be offline while IIS is stopped.

C:\> iisreset /stop
Install the plesk-urlprotection package:

Note: Modify the path to the plesk-urlprotection package if it is different from the below.

C:\> msiexec /i "C:\Users\Administrator\Downloads\plesk-urlprotection.msi" /L*V "C:\plesk_urlprotection_installation_debug.txt" AUTOINSTALLER=1
Start IIS service:

C:\> iisreset /start
Restart the Plesk upgrade

Upgrade to Obsidian 18

Connect to the Plesk server via RDP
Start a command prompt as Administrator
Stop IIS service:

Warning: Plesk and websites will be offline while IIS is stopped.

C:\> iisreset /stop
Install the plesk-urlprotection package:

Note: Modify the path to the plesk-urlprotection package if it is different from the below.

C:\> msiexec /i "C:\ProgramData\Plesk\Installer\cache\pool\release\PLESK-WIN_18.0.21_1598\dist-windows\plesk-urlprotection.msi" /L*V "C:\plesk_urlprotection_installation_debug_OBSIDIAN.txt" AUTOINSTALLER=1
Start IIS service:

C:\> iisreset /start
Restart the Plesk upgrade