I have an Office Web Apps 2013 farm, unpatched since installation. It was initially installed with SP1 and there are 30 patches released since then. So I'm wondering if I have to apply every patch one by one or I can install only the last one, just as we do for SharePoint CU nowadays. Can anyone share some info on this, references or own experience?
1 Answer
Yes, they're cumulative. Generally they're presented as security patches, but those patches are the 'CU'. Don't forget the patching process for WAC:
- Remove the WAC server from the WAC farm
- Install patch/reboot
- Create a new WAC farm
Repeat steps 1 and 2 for the other WAC servers, but join them to the new farm you created with the first WAC machine to be updated.
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1Thanks, Trevor. That's good to hear... Microsoft has a nice guide on the process of patching WAC farm: technet.microsoft.com/en-us/library/jj966220.aspx– EgorCommented Jul 6, 2017 at 14:51