The control was unable to find a valid license key


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By Harald Boeglmueller - 2 Years Ago
Bought the Enterprise Edition.

In the Nevron License Key Manager i have two keys.
- KeyType [Design] Machine ID [my machine id] (Same as showing in the header of the License Manager)
- KeyType [Desktop] Client ID [111]

The Watermark are allway showing, in any example.

If i do a test with "NOV WPF Rich Text Editor Application from VStudio Open Vision WPF Templates",
the watermark is also showing.

I edit the "Program.cs". There is the line with "NLicenseManager.Instance.SetLicense(new NLicense("LICENSE KEY"));"
Changed the "LICENSE KEY" with my Design Key.

Watermark showing.
The message is "The control was unable to find a valid license key" "Current MachineId [1]".

Changed the "LICENSE KEY" with my Desktop Key.

Watermark showing.
The message is "The control was unable to find a valid license key" "Current MachineId [1]".

Add both keys comma seperated

Same result.

What i'm doing wrong?
By Nevron Support - 2 Years Ago
Hi Herald,
The problem is that the keys are for machines ids 9316 and 8028, but the license manager reports 1 (most likely because it is unable to access the registry and read the Windows UUID. What happens when you run the app with admin rights?
Please contact sales to issue a license key for machine id 1 and it should be OK. Let us know if you meet any problems.