- Web Presence Builder
- Plesk Sitebuilder
It is not possible to connect to KA Demo server. The following errors may occur:
Licensing Server Unreachable: Unable to connect with licensing server.
Please make sure that your network allows communication to ka.demo.plesk.com:5224.
For more details check system help pages.
Couldn't resolve host name
Can't connect to ka.demo.plesk.com:5224 (Timeout)
The Plesk product tries to connect to the KA Demo server
to update the license, but it cannot establish a connection.
December 1, 2014
, the IP address of the KA Demo server will be changed to
(IPv6). Make sure that the hostname
resolves to the proper IP from your server:
# nslookup ka.demo.plesk.com
If the KA Demo server does not resolve to the correct IP, check the
If any of these servers are behind a firewall and old IP addresses of KA Demo server are listed in the firewall rules, please add new IP addresses of KA Demo server to the firewall rules before
. This is to allow your servers to connect to
after it will start resolving to new IP addresses. This can be checked with these commands:
# nmap -P0 -p5224 ka.demo.plesk.com
# telnet ka.demo.plesk.com 5224
# traceroute ka.demo.pelsk.com
If you are using the APF firewall, check
for the mentioned IPs or the hostname