My OWA server memory is 12GB. Recently, it's always high memory usage at > 96%. So it is causing PowerPoint documents cannot load and promptly an error:

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I've temporary workaround by restart web service on OWA server, then it normal.

How can I prevent this issue in future?

Thanks guys,

  • Good question - I have also the same problem and I am also managing by restarting the server.
    – SP 2022
    Dec 16, 2019 at 18:10

1 Answer 1


Request additional RAM for your VMs or scale out by adding an additional server to your Office Web Apps farm.

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