1)client has connection to the license server? Ping the server
Start->CMD->ping “hostname” or “IP-addresse”
2)Is there any firewall running that blocks the flexnet port?
If yes disable it or open the port
3)Open the license file and check if the hostname is correct
check: start->cmd->hostname and enter the shown hostname into the license file
you’ll find the file here: flexnet\licensing\license.dat
4)Is the MAC Addresse in the license file the same as the MAC that the ptc setup asks you for?
If not you’ll probably have to change the rank of your network cards.
You can do that here: start->regedit->
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion \NetworkCards
Simply change the rank of the network card that has got the asked MAC to NR1 and restart
the Computer.
5)If the problem occurs after a system/server crash check if any network card is deactivated!
6)After a Creo Pro Engineer crash it might happen that the license is still in use:
Start->cmd->services.msc and restart the service flexlm server for ptc
or flexnet server for ptc
7)If don’t have permission to access the license server you can release a license from your client too.
1) start->cmd->ptcflush
2) the order will ask for the following syntax: ptcflush [feature] [license server] [port][handle]
you can explore the syntax easily by typing ptcstatus
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