Parallels Virtualization and Automation Software

SYMPTOMS

Plesk is installed within Virtuozzo CT and is accessed through VZPP (offline_management is enabled for the CT and https://server.tld:8443 redirects to https://server.tld:8443/vz/cp/psa/frameset). After login to VZCP and accessing any or a specific Plesk page the error is shown:

Service is not available now, probably your Plesk is misconfigured.
Contact Your provider for details.

CAUSE

Such message is reported by VZPP for any error returned by Plesk server and does not allow to understand what the actual error is.

RESOLUTION

Make sure that Plesk 'httpsd' service is running in the CT:


To see the detailed error report you need to enable the following option in /usr/local/psa/admin/conf/php.ini and restart Plesk panel:

display_errors = On

Then log into Plesk not through VZCP but directly at http://server.tld:8880, go to the problem page and check for exact error reported by Plesk.