
However, a small number of PC users are still buying and using legacy Microsoft Office products such as Office 2016.
If your license is still not activating after troubleshooting the above, please contact Customer Service with your Hub log file so we can take a closer look at your issue.Many Microsoft Office users have switched to the subscription-based Office 365 from the traditional Office products.
Reactivate your license key following the steps in the article ‘ How do I activate my license ’.
Restart your machine (do not skip this step). Delete any files found here: (If the files are hidden, you need to click View and tick the Hidden Items check box.). You will need to delete the existing license files and create a new one: If releasing your activations & checking your connection still does not help you to activate your license, you may be experiencing a conflict with the license file saved on your machine. In which case, please check any firewall/ proxy settings, whitelist URLs and disable any antivirus software.įailing that, manually activating would be the next process to follow: If after completing the above process you still receive an error, then it is likely a connection issue between your machine and our license servers. To do this see the article ‘ How do I return the activations on my Pro/ Plus/ Enterprise license? ’. You can return activations made in Unity Editor versions 4.5 and higher via your account page. ULF redundent.Īnother cause for the error 'Your serial number is not valid' is a connection issue between your machine and the Unity license servers. If you have recently updated your OS or changed any hardware, this can alter the hardware ID to which the Unity License File (.ULF) is attached, effectively making the current. The most common cause for this error is the license key running out of activations. The Hub is saying my license is invalid. I would like to access the Unity Editor, but I am receiving errors in the Hub. I am seeing the error message ‘Your serial number is not valid’ when attempting to use Unity. I am seeing the error message ‘Your serial number is invalid’ when attempting to use Unity. I would like to activate my license via the Unity Hub, however, I am receiving errors.