There are different error messages that can be displayed within Plesk based upon the issue that is happening. In this case, if you upload an incorrect key, such as a key designed for another version of Plesk, or perhaps for a different type of virtualization, you’ll get an error message similar to the one below:
The license key is invalid. In order to use the Panel, please obtain and install a new valid license key. Your license key has expired. To continue using your Panel, you must purchase a non-expiring commercial license key.
To resolve the above-mentioned message, you will need to confirm a few things about your Plesk license, such as the ones outlined below:
Doing the above-mentioned steps will ensure that your issue can be quickly resolved ensuring you may continue without delays.
Please feel free to get in contact with our hosting license team and they will be glad to assist you if you have any further questions pertaining to your Plesk license.
Yes, if you use a VPS key on a Dedicated it wont work and visa versa. So yes, this makes alot of sense. I was trying to figure that out, so Im off to discuss this with my hosting provider! ThanksPosted by Dean Clayton - Tue, Apr 3rd, 2012 6:37 PM