I can not borrow a license, says I already have one and need to return it but it is not in the borrowed window?
Try restarting the server.
You can stop / start the SNL server service from the management tool on the server rather than a full reboot you will find the buttons on the administration tab.
Turn off SolidWorks and start SolidNetwork License Manager seperatly. When running SolidWorks, you can not borrow.
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