If your UVexplorer Server instance is not connected to the internet, you are able to activate it with the offline activation process. 
Here are the steps:

1. Login into your UVexplorer Server and go to the Admin -> License tab.  Then click on the Activate button:


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2. Enter the Product Key:


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3. The server will detect that you cannot reach the license server and give you this instruction screen.  Click Next.


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4. Follow the steps on the next screen using the UVexplorer Server product key.


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5. After you have uploaded the activation file, you will be able to click the "Activate" button.


For further questions and assistance, please contact Support@UVnets.com