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CAD tip CAD tip # 8977:

Question CAD 
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Q - question

How to reserve an Autodesk floating license for a user or group?

A - answer If you need to reserve (block) some licenses from your Autodesk license server FlexLM/FlexNet for a particular user or a user group, use the option "RESERVE".

In the license folder on your license server, create or edit the text file ADSKFLEX.OPT. Using Notepad.exe, add the reservation lines into this file - e.g.:

RESERVE 1 85768INVNTOR_2012_0F USER usr1
GROUP SUPERCAD usr1 usr2 usr3 usr4 usr5 usr6

In this example, 1 license of Inventor 2012 is reserved for the user "usr1", and 4 licenses of AutoCAD 2013 are reserved for the group "SUPERCAD" consisting of the users "usr1" to "usr6". You need to restart the license service after you edit the OPT file.

NLM Feature codes can be found on the page Products and on

100% *  CAD 
17.12.2012    6302×  
applies to: AutoCAD · Inventor · Revit · Civil 3D · 3ds Max · DesignSuite ·

See also:
Tip 10081:How to reserve a floating license to a specific PC?
Tip 5731:Online statistics reports about active network licenses of CAD software.
Tip 5665:Verbose listing of FlexLM errors.
Tip 5111:FlexLM (FlexNet) error code list.
Tip 4823:Network license - Error [1200.5.-96]

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