Problem Description 1: You are able to run multiple serial processes of FLUENT but when you try to run a parallel job you receive this error: "Unable to spawn node: license not available". The behavior has only been seen on lnamd64 and lnia64 platforms.
Problem Description 2: Multiple fluentlm-helper processes are started as the number of parallel compute nodes increase.

Both issues are probably related to the fluentlm-helper which sometimes has hardware issues. A new license library was built that does not use the fluentlm-helper.

Fluentlm-helper translates 64bit communication from flexm to our 32bit binaries.

Resolution: Please download and extract the following zip file,, containing a newer license library that does not use fluentlm-helper. On the license server and ANY client machines running on lnamd64 rename the existing Fluent.Inc/license/lnamd64/ file and then replace it with the unzipped file (

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