The License Manager Tools (LMTools) available on the Windows platforms provides powerful functionality for managing and troubleshooting your ESRI licenses. To access this utility go to:
Start > Programs > ArcGIS > License Manager > License Manager Tools.
The LMTools utility can be used to Start, Stop and Reread your license manager service. You can query your server status and available licenses.
LMTools is designed to help you troubleshoot license manager errors. Use the LMTools to set up a debug log file, find your system settings and to perform server diagnostics.