Invalid license key (inconsistent authentication code)

Question

Hi Team,Getting below error. Kindly help to resolve it.&nbsp;15:19:33 (alterad) Using options file: "port"15:19:33 (alterad) Invalid license key (inconsistent authentication code)15:19:33 (alterad) ==&gt;FEATURE ip_video_image_suite alterad 2026.07 14-jul-2026 1 \

shengn_altera · Answer

Hi,
Could you re-setup the server fully follows the steps in this link Know-How: Set Up a Floating License (Step-by‑Step Walkthrough) | Altera Community - 352000

dshetty · Answer

We bought redundant server setup license but currently using single server setup. Is that be an issue?

shengn_altera · Answer

Should be no problem. Could you re-run all the steps from the link posted before?

dshetty · Answer

Yes ,Getting error that :The desired vendor daemon is down&nbsp;License configuration details below:SERVER xxxxxxxx xxxxxxx 27000#SERVER &lt;hostname&gt; 0050568F1133&lt;port number&gt;#SERVER &lt;hostname&gt; 0050568F1133&lt;port number&gt;DAEMON alterad C:\Flexlm\Maxplus\alterad.exe -port=27001Log file:5:55:46 (lmgrd) Starting vendor daemon at port 270015:55:46 (lmgrd) Using vendor daemon port 27001 specified in license file5:55:46 (lmgrd) Started alterad (pid 6912)5:55:46 (alterad) FlexNet Licensing version v11.11.1.0 build 116574 x64_n65:55:46 (alterad) lmgrd version 11.16, alterad version 11.115:55:46 (alterad) Using options file: "-port="5:55:46 (alterad) Invalid license key (inconsistent authentication code)5:55:46 (alterad) ==&gt;FEATURE ip_video_image_suite alterad 2026.07 14-jul-2026 1 \

shengn_altera · Answer

Have you edit the license file? Could you re-generate the license file and see?

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Invalid license key (inconsistent authentication code)

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