SolidNetwork License Manager Options File to Control Timeout Period

Article by Scott Durksen, CSWE updated August 10, 2010


The SolidNetwork License Manager has a default timeout period of 2 hours.  This means if someone is using a network license but they leave their desk for a period of time, the license will timeout and be released back to the server.  This can be changed to any time period between 15 minutes and 2 hours.  The timeout is triggered based on inactivity of the entire machine, not just the SOLIDWORKS application.

In order to control the timeout, you will need to generate an Options file that is read by the License Manager.  This is a simple text file with key information on what to control.  By default there is no Options file.


Open the SolidNetwork License Manager on the server and choose ‘Modify’


Choose ‘Activate/Reactivate your product’ and Next


Select to use an Options file.  If you already have an options file saved somewhere else, you can browse to the folder.  Otherwise the default folder will be C:\Program Files (x86)\SOLIDWORKS SolidNetwork License Manager\Licenses.

Click ‘Edit’ if you don’t have one yet.


This will open Notepad asking you to save out a file ‘sw_d.opt’.  Keep it in the default location.


Within this Options text file, you can add multiple lines to manage different things.  Changing the timeout period will have a line using the following syntax (without brackets).

TIMEOUT <product feature name> <time in seconds>

The bottom of this blog post includes a list of all product feature names that can be used.  In this scenario we will change the timeout for the SOLIDWORKS application itself.  This uses the product feature name ‘solidworks’.

Keep in mind that the time is in seconds.  So to reduce it to 1 hour, you’d enter 3600.

You can also set the timeout period for all products using TIMEOUTALLSTEP 6

Once you save this sw_d.opt file, you can verify that the file is in the correct folder listed and click Next


Use Select All to highlight all licenses and continue through the activation process


To check if the License Manager is using the Options file, go to the Server Administration tab in the License Manager and select ‘View Log’.  Then search through the text document for ‘Using options file’.  This will show the path of the Options file being used.


More information regarding the Options file can be found in the FLEXlm User’s Guide, which is located in the C:\Program Files (x86)\SolidWorks SolidNetWork License Manager\docs\flexuser.



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Scott Durksen, CSWE

Scott is a SOLIDWORKS Elite Applications Engineer and is based in our Dartmouth, Nova Scotia office.