Article Marcel den Ouden · Mar 29, 2016 2m read My license key does not work - common causes As some customers recently received new license keys, I received some questions why their new license does not seem to work, other than the expiration date being reached. So far I was able to solve all of them with this short list of things to look at.1. Is the date on your laptop set properly? #Caché #Management Portal 2 5 0 1.6K