Trying to install our 2014 PDSP.
The NLM is up and running on our server and appears to have no issues. Shows that 3 licenses are available and 0 in use.
Clients cannot be activated however, with the message "A valid license could not be obtained by the network license manager" Error code [-15.570.0]
Solved! Go to Solution.
a -15 error means your having communication issues between the client machines and the license server
can you ping the license server by host name?
i would check your firewall allow these ports
The FLEXlm® based version uses the following ports:
And don't forget about the IPv6 anomoly.
For more information about Network License Manager connectivity issues and IPv6, please see my discussion post here: