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You may see the error message "A fatal error occurred during adaptation of the registry", when you click the Apply button in Network License Manager > Tools > License Client Configuration.


This error may occur on Windows 10 and similar, no matter if you are logged in using the Administrative account or non-Administrative account, you will notice this error message. The registry will not be updated (this is the actual error message), and the environment variable LM_LICENSE_FILE will not be updated either. The remainder of the installation procedure, when the Network License Manager was launched in a DVD installer script, will not use the name of the License server computer.


This will be fixed in the future version of Network License Manager for version 18.0.2.


There is a workaround for this issue, by launching the Network License Manager as Administrator. You can follow this procedure:

  1. Find the shortcut to the "Network License Manager" in the Start menu.
  2. Right click and select More in the contextual menu, click "Run as administrator".
  3. A User Account Control dialog is shown, which asks you for confirmation: "Do you want this application to make changes to your device?". 
  4. If you run the program from a non Administrative account, a dialog will ask you to enter the administrator password.
  5. When the program is launched, the error message will not pop up anymore.
Article information
Applies to

 Network License Manager

Created 05-Nov-18
Last revised 
Author BAV
Case Number CAL-705