Symptoms

During the server registration or converting CentOS to CloudLinux, getting the following error:

Cause

Plesk license number is used in TPA.XXXXXXXX.YYYY format, instead of CloudLinux product key.

Resolution

CloudLinux product key has the

read more

To apply license or register a server with CloudLinux Network using activation key (or regular trial key) run the following command:

where activation key is like: 1234-abcdefgh567klmnp If

read more

If you receive an email saying that your system failed to check in, like:

It means that for some reason, system server1.hostcompany.com  hasn’t checked in to CLN. If that server is still in

read more