Have you ever encountered a situation where your ISPConfig 3 control panel keeps disabling a website, even after you manually reactivate it? It’s frustrating, confusing, and can leave you scrambling for answers. I recently faced this exact issue, and after some digging, I discovered the culprit: resource quotas. In this post, I’ll walk through the problem, the troubleshooting process, and the simple fix that saved the day.

The Problem: A Disappearing Website

I was managing a client’s website hosted on a server running ISPConfig 3 when I noticed something odd. The site would randomly go offline, showing a “disabled” status in the control panel. I’d re-enable it, only to find it disabled again moments later. No configuration changes were made, and the server itself was running smoothly. What was going on?

At first, I suspected a server crash or a misconfigured cron job. But after checking server logs and …