• Debian 11 is approaching its end-of-life (vendor EOL date - August 31, 2026). Plesk Obsidian 18.0.80 will be the last release to support it.
    If you are running Plesk Obsidian on Debian 11, we recommend you upgrade those servers to Debian 12 using our dist-upgrade tool.
  • We plan to deprecate and remove the support for XML RPC protocol versions earlier than 1.6.9.1 in Plesk Obsidian 18.0.82. We strongly recommend that you update all existing integrations using earlier versions of the XML RPC protocol to comply with the version 1.6.9.1 specification.

Possible fix for "php5isapi.dll reported itself as unhealthy"

S

Sickboy

Guest
Possible fix for the error: "php5isapi.dll reported itself as unhealthy. No reason was given by the ISAPI", that shows up in Event Viewer and breaks the control panel:

Make sure the application pool for the Plesk Control Panel runs with maximum 1 Worker Process.

After rebuilding a Windows Server 2008 webserver today to figure out when the Plesk Control Panel starts to have issues, the panel started acting up after I "Change the application pool default settings" workerprocesses to 2.
After I manually changed the Control Panel application pool worker process setting back to 1, the problems were gone!

I hope this helps some of you who have the Control Panel Issues...
I've seen many posts about it on these forums and outside, through google... but no solutions :)
 
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