If you are like my unfortunate client, your installation of Office Web Apps (or WAC) was humming along just fine until that one day comes that you wish you never got out of bed. This turned out to be a simple fix but took some hair-pulling to get there, so let me share my journey.
For the record, this server was Office Web Apps 2013 and this was the only server hosting the WAC farm. We saw a lot of symptoms for this problem and they included:
Wow that’s a lot of errors! But luckily for us, they all stem from one cause. After you review all of the errors, you can take a guess – the SSL certificate.
This Office Web Apps installation was set to use SSL, not HTTP. I went and looked into the certificate store, and I could not see the cert named what I expected from my install notes. Our main problem now is that I can’t run any powershell or start the OWA service because the certificate that I did find that showed for the URL of the WAC server expired about 2 weeks before. We’re on to something!
My IT contact issued a new certificate into the Personal Store of the WAC server and gave me the name of the cert. You want the “Friendly Name” of the cert.
Next I went and edited the following file so we can update the SSL certificate name under the covers:
Edit the line for CertificateName, and update the value matching the certificate’s friendly name.
Save that, and then try to start the OWA Windows Service. Success! Now go check everything else like PowerShell, more success! Just for good measure, I ran the following commands just to be safe:
The ultimate test is to go back and check the discovery URL from before.
We are in business! We went back and checked SharePoint and now all the previews were working too. I didn’t have to re-create the WAC farm or the WOPI connection to it! Sure hope this helps someone else avoid some hours of aggravation.
If you need help with your Office Web Apps install or prepare for SharePoint 2019, contact us!
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