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Why Do I Get a "Permission required to check out license ..." Error When Launching My NI Software?

Primary Software: Other NI Software>>NI Volume License Manager
Primary Software Version: 2.0
Primary Software Fixed Version: N/A
Secondary Software: N/A

Problem:
I am using NI software licensed with NI Volume License Manager. I have added my computer and/or user and the appropriate permissions to NI VLM. However, when I try to launch my software I receive the following error message:

Permission required to check out license from "<computer name>". Contact your license administrator if you have any questions.

Why am I getting this error, and how can I fix it?

Solution:
This error indicates that in NI VLM, the client computer or user has not been given permission for the software you are trying to use. Chances are, one of following mistakes have been made:
  1. You have incorrectly typed the computer name of the client computer. (Computer names ARE case sensitive in NI VLM 1.0, although not in NI VLM 2.0 and later.)
  2. You have assigned permission for the wrong product.
After double-checking the computer and/or user name and the permissions, if you are still receiving the error then you should use the debug log (instructions for using this are linked below). The debug log will tell you what users and computers have tried to connect to NI Volume License Manager and why they were denied permission.

Note that if you are using FLEXlm instead of NI VLM, you need to create an options file manually instead of assigning permissions within NI VLM. The options file contains the permission assignments that allow the client computers and/or users to use the software. For more information on using FLEXlm, see the Related Links below.

Related Links:
KnowledgeBase 35DAKSQJ: How Do I Use the National Instruments Volume License Manager's Debug Log?
KnowledgeBase 372D8K6E: Using a Volume License File on a FLEXlm Server
KnowledgeBase 3FH8RO6E: Troubleshooting NI Volume License Manager Issues

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Report Date: 05/03/2004
Last Updated: 12/31/2008
Document ID: 392IH5FQ

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