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LICENSE: Flex Licensing error -97 121

Information in this knowledgebase article applies to:

  • MDK-ARM V4.60 and newer


I get the following error when try to build code:

FlexNet Licensing error:-97,121 Error: C9555E: Failed to check out a


The desired vendor daemon is down.

In this case the tools were able to contact the FlexNet server daemon (lmgrd), but the ARM vendor daemon (armlmd) did not respond. This usually indicates that armlmd has crashed.


  • Check the server's debug log, you should see a message indicating that lmgrd lost its connection to armlmd
  • Shut down lmgrd, and check that there are no stale lmgrd or armlmd processes
  • Then re-start lmgrd
  • We also recommend to update to the latest version of the daemons, which can be downloaded here


Last Reviewed: Wednesday, July 10, 2019

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