An error when registering the server: Maximum usage count of 1 reached Dmitry Oronov August 23, 2017 15:05 Updated Follow It looks like the key was already used to register one (or more) servers. Please, check the following documentation articles: http://docs.cloudlinux.com/index.html?managing_licenses.html http://docs.cloudlinux.com/index.html?managing_servers.html Related articles My systems are not checking in. What does that mean? My trial expired, and I bought a new license. How do I install it on the server? What to do if Slab cache grows and overall server performance is bad SSH key and from which IP will CloudLinux staff connect to my server What is KernelCare: basic information Comments 0 comments Please sign in to leave a comment.