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Adding a license key

In this document
chevron_rightGetting a Production License
chevron_rightUsing the License
chevron_rightCommon Questions

linkGetting a Production License

Now that you’ve built your application, and tested it in a deployment environment, you might be ready to purchase a license. Please take a look at the following links for steps required to obtain the production license.




linkUsing the License

An evaluation or commercial license key is required to run PDFTron. If you are evaluating the SDK and do not have a key, please obtain one, and then visit this page via the link included in the trial email. If your company has licensed PDFTron then you already received your key in an email from See sign in for more details.
Once you purchase a license, or register for a demo, you will receive a license key that you can use to initialize PDFNet in your application code.

Your license key may be used to initialize PDFNet in the following manner.


Initializing PDFNet with the license key will also remove the requirement to run your demo application with elevated rights in a server environment.

linkCommon Questions

Error: Bad License Key. PDFNet SDK will work in the demo mode. For more information please see PDFNet FAQ or contact

Solution: The license key was copied incorrectly. First, make sure no extra white space was added to the beginning or end of the string. Finally, make sure you are copying the entire license key as it was sent to you.

Error: Your AMS expired on.... To upgrade to this version of PDFNet SDK, please renew your AMS subscription.

Solution: Your license is out of date and cannot use newer versions of PDFNet. Either return to using an earlier version, or contact sales at to renew.

Exception when using license key - Issue thread on the PDFNet SDK forum.