Add to Favourites Add to Favourites    Print this Article Print this Article

I am unable to retrieve the license key. I am getting the following error: "Licensing Server Unreachable: Unable to connect with licensing server"

Parallels Plesk Panel is unable to retrieve license key. The following error appears when click button "Retrieve Keys" on the License Management page:

Licensing Server Unreachable: Unable to connect with licensing server.
Please make sure that your network allows communication to
For more details check system help pages.

What causes the problem?

Parallels Plesk Panel connects Parallels License Server (Key Administrator) at 5224 port for the license update procedure. Make sure that the outgoing connection to is not blocked on Plesk server or somewhere in the net. This can be examined with commands:

~# nmap -P0 -p5224
~# telnet 5224
~# traceroute
If you find that is not accessible from the server, try to stop firewall (iptables) and try to retrieve the key with the "Server -> License Management -> Retrieve Keys" button. If not, probably you should contact your ISP to open the port.

Was this answer helpful?

Also Read