- Plesk for Windows
- High load on the server. The operations hang or it takes too long to execute.
- Plesk sends email messages with the content like this:
Server health parameter "Services > IIS CPU usage" changed its status from "yellow" to "green".
Identify the exact domain causing high CPU load: open IIS > server_name > IIS > Worker Processes. Depending on the result, apply one of the following:
If the issue is caused by application pool exclusively used by Plesk, please, contact Plesk Technical Support, as an additional investigation is required.
If the issue is caused by application pool of a client's website, please inspect website's code for resource consumption.
Limit CPU usage for application pool of the domain, following instructions from the KB article: