If there are communication problems between the Usage Client and the FLEXlm/FlexNet license server, you may see the following error in the License Statistics log file:

Detecting lmgrd processes...]
Error getting status: Cannot connect to license server system. (-15,570)
2009-06-30 17:31:00] WARNING: Unable to parse logfile for server @ServerName! Please make sure the server is up and available!

To resolve this issue: 

If the steps listed above do not resolve the problem, you can also try to type the lmutil command to check the communication between the Usage Monitor and the license server, as specified in the License server issues section under Troubleshooting. If there are errors in the communication between the license server and the Usage Monitor, this command will return more information about the errors. If there are no errors, the command will return regular statistics information for the indicated license server.