- Plesk 10.x for Windows
- Plesk for Linux
- Plesk 11.x for Windows
- Plesk 11.x for Linux
- Plesk 12.0 for Windows
- Plesk 12.0 for Linux
- Plesk 9.x for Linux
- Plesk 9.x for Windows
registry.xml is a file that contains information about Plesk licenses deployed on a server. When this file becomes corrupted, the following error message appears in the Control Panel:
Error: The license key is invalid. In order to use the Panel, you need to obtain and install a new valid license key. The amount of currently used resources overrides the limits defined by your license. The number of websites hosted on the server exceeds the limits defined by your license. You have X sites hosted; your license allows hosting only X sites. The number of served customer accounts exceeds the limits defined by your license. You have X customer accounts currently served; your license allows serving only X customer accounts.
Remove the damaged file. It can be found in one of the following folders, depending on the OS used:
After the file is removed, log in to Plesk. The registry.xml file will be automatically recreated.