I am running H15.0.244.16 on Mac OS X and up until today I have had no problems. Today however when I try to launch H15 I get asked to Install or reinstall my Apprentice license. I click next and then get the following message:



When I launch the licence Admin from the H15 folder this is what I get:



However when I launch H14.0.444 it boots up fine with no issues. When I launch the licence Admin from the H14 folder this is what I get:




Does anyone have any idea what is going on with H15?

5 minutes after posting this I sorted the issue by changing the name of the license server in the License Administrator

Still don't know why I had to do that as it was working before!