To check if the license server of CD-adapco is accessible type:

This test ("Trying ..".) is positiv if the server answers (within a second):
Escape character is '^]'.
Typically, after some minutes, a negative test outcome is indicated by:
telnet : connect to address 10 .241.201.133: Connection timed out
Our firewall is configured to allow access to the IP 146.122.203.55. In case the license server of CD-adapco has a new IP - check via

host flex.cd-adapco.com | head -n1

- please contact us. Connection timed out