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Title
Defender License Error: "The license key is not valid for this machine." -
Description
When adding a Universal Token License in the Defender Admin Console: "Defender | License...| Add License...", the following error is displayed upon entering the License Key and Site Message provided by Licensing:
"The license key is not valid for this machine.":
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Cause
A trial Universal Token License exists in Active Directory (AD). Leading or trailing spaces when entering the 'Key' or "Site Message' field may also cause this. -
Resolution
Required Steps
1. In the Defender console (via ADUC), select Defender | License...
This opens the About dialog window on the Licenses tab.
1. Remove any expired token licenses that exist in AD by selecting the license in the list of "Added licenses" and using the "Remove License..." button:
Click "Yes" to confirm the license removal.
2. Then use the "Add License..." button to add the new license:
3. Enter the "Licence key" and "Site message" information provided from your account representative or Licensing. Ensure there are no leading or trailing spaces when entering these values.
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Additional Information
For "How to" steps, please also refer to How To Import a license into Defender 5.8.x and 5.9.x