you have entered an upgrade key. Please confirm it with a key from the previous version

Thank you for your response, I am using Parallels 14 with Parallels 14 activation key, but it tells me I used an upgrade key and asks for me to enter an older version key which I don't have as it should be a permanent license for Parallels 14. I don't have Parallels 15 installed. Thank you for any help
Yes, you have Parallels Desktop 14 one-time upgrade key. You have to use Parallels Desktop 12 key as the previous key to complete the activation.
 
Yes, you have Parallels Desktop 14 one-time upgrade key. You have to use Parallels Desktop 12 key as the previous key to complete the activation.
I tried that, even though the program never asked this before, the Parallels 14 key was enough. When I use the Parallels 14 activation key and Parallels 12 as a previous version key I get the following error:

The previous activation key has not been accepted by the license server.

Please make sure you have entered the key correctly. Your activation keys are stored in your Parallels account. If you don't want to bother yourself with numerous activation keys and upgrade procedures in future, we recommend that you purchase a subscription to Parallels Desktop.
 
I tried that, even though the program never asked this before, the Parallels 14 key was enough. When I use the Parallels 14 activation key and Parallels 12 as a previous version key I get the following error:

The previous activation key has not been accepted by the license server.

Please make sure you have entered the key correctly. Your activation keys are stored in your Parallels account. If you don't want to bother yourself with numerous activation keys and upgrade procedures in future, we recommend that you purchase a subscription to Parallels Desktop.
Changed some settings again, please check the issue and share any results with us please
 
Changed some settings again, please check the issue and share any results with us please
Thanks, but still the same error pops up, I even tried removing parallels completely. What can else I do?
"The previous activation key has not been accepted by the license server."
 
Thanks, but still the same error pops up, I even tried removing parallels completely. What can else I do?
"The previous activation key has not been accepted by the license server."
Could you provide us please with the screenshot of the error message please?
 
I just have bought a update version from parallels desktop 14 to 15 as suggested in my software but when i will put the key i have received the message "you have entered an upgraded key. Please confirm it with the key from the previous version" requeste my previous key that I put and receive always the message "The product key of a previous version of Parallels Desktop has been not accepted on the license server". How can I validate it?
 
I just have bought a update version from parallels desktop 14 to 15 as suggested in my software but when i will put the key i have received the message "you have entered an upgraded key. Please confirm it with the key from the previous version" requeste my previous key that I put and receive always the message "The product key of a previous version of Parallels Desktop has been not accepted on the license server". How can I validate it?
Hi, is it possible to provide us with the first symbols of your license keys?
 
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