Sunday, May 27, 2007

FLEXLM_TIMEOUT helps with "slow" network connections

If you use a Macrovision FLEXlm/FLEXnet-enabled application and there are problems to pull the network license it might help to use the FLEXLM_TIMEOUT environment variable (has to be added) on the computer that has trouble getting the license. The user might get the dialog box (FLEXlm License Finder dialog box/FLEXnet License Finder dialog box) asking about specifying the location of the license file or license server. Typically this happens when you use a slow dial-up connection but also with a high speed broadband connection it can happen or if you have a network with servers in different countries or far from each other, Autodesk GNUL licenses or the like. In the case of AutoCAD it has been a typical thing needed to do introduced with AutoCAD 2007 and later. Try a value like 1,000,000 as a start and use higher if needed.

FLEXLM_TIMEOUT is only working on a Windows PC. Sets the timeout value a FLEXenabled application uses when attempting to connect to a license server system port in the range 27000–27009.
Values are in microseconds, within the range 0–2,147,483,647. The default setting is 100,000 microseconds.

More details can be found here.


When you launched AutoCAD 2009 as a non-administrative user using Windows Vista 64-bit, the FLEXlm License Finder dialog box did not display.


This issue occurs because the license server path information points to the HKLM\Software\Wow6432Node, which is not accessible to non-administrative users.

To resolve this issue, redirect the license server path information to HKLM\ Software \FLEXlm License Manager.

Knowledge Base document for more information if you get the following: Your application was not able to obtain a license because the FLEXlm license manager could not determine where to find the licensing data it needs. Please choose one of the following:

Specify the License Server | Specify the License File
FLEXlm® License Finder dialog box is always displayed at startup

FlexNet license reporting tool JTB FlexReport for your License Statistics monitoring and license management.

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