SupportedServer

Registered
Apr 18, 2008
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Recently we have had reports from clients on two of our cPanel servers stating that cPanel and WHM would not load. After investigating the issue, we noticed the following:

Running
Code:
service cPanel restart
via SSH (as root) showed that cPanel itself could not be started (all other portions of the service started without an issue).

The following email was sent to one of the email addresses that we use to monitor our servers:

Code:
Subject: cpsrvd on (hostname) failed

Body: cpsrvd failed @ (time and date). A restart was attempted automagically.
After attempting multiple other fixes (including restarting the servers), we found the solution:

Running
Code:
/scripts/upcp
solved the issue. A complete update was performed, and cPanel/WHM worked as it should as soon as the update was complete.

Conclusion:

My guess is that one of the cPanel updates failed to complete, or had an error during the update process. Initiating another update via SSH corrected this issue.

Notes:

This issue did not occur on all of our cPanel servers. The two servers that had the error were running cPanel "current".

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If any of you experience something similar, but are unable to correct the issue using the instructions in this post, feel free to send me a PM.