- Plesk Onyx for Windows
Plesk upgrade fails with the following error:
PLESK_ERROR: Error! Service 'Parallels System Health Monitor' could not be deleted. Verify that you have sufficient privileges to remove system services.
The same error can be found in
Plesk shows a blank page when accessing it on port 8443;
The process Plesk Installer does not exist in Task Manager.
Connect to the Plesk server via RDP.
Rerun Plesk upgrade via Command Line Interafce (CLI):
C:\> "%plesk_bin%\ai.exe" --console