Unable to Upgrade to Newer Version of Unidoc Products

When you purchase/renew a product from Unidoc, it normally comess 1 calendar year of services agreement. All of the licenses have a license generation date and license expiry date. All of our product releases save a release date and the licensing server checks if the license expiry date is older and the product release date is newer, it will not allow the user to upgrade the product to the newer version. If the license expiry date is newer and the product release date is older, you can upgrade your product. See examples below

You can upgrade:

License Issue Date: 08/14/2020

License Expiry Date: 08/14/2021

UniPDF Latest Release: 08/10/2021

You cannot upgrade:

License Issue Date: 08/14/2020

License Expiry Date: 08/14/2021

UniPDF Latest Release: 08/15/2021