Office Web Apps 2013 server not working, CPU Utilization 100%

Recently I had to reinstall my entire infrastructure, and one of the servers was the Office Web Apps server. Unfortunately the server was willing to do anything, the only thing I got was a white screen, or the ‘old’ WebReady Document view appeared. The discovery URL ( was working fine, so at least something was working.

Another thing that was clearly visible was that processor utilization regularly peaked to 100%, sometimes staying at 100% for a longer period of time:


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