Required port to be open for Process Runner and License Server

Run the license server via command prompt to check the required ports to be open. Follow the steps given below:

1.Navigate to the folder C:\Innowera License Server where License Server files are unzipped.

2.Double click on RLM.EXE.  You should see a window similar to one below.

3.Your license server is up and running with a license. Process Runner users can now connect to this server.

Next:
How to change port number of ISV Server