tl;dr

If you use App Volumes and FSLogix, you need to add exclusions for FSLogix to your App Volumes snapvol.cfg file. Read this post written by Carlo Costanzo for the exclusions to add to your snapvol.cfg. If you’re interested in the gritty details, read on…

The Problem

After upgrading to FSLogix 2210 hotfix 4 (2.9.8884.27471), users started reporting issues when attempting to login to our environment. We’re using Horizon instant clones with FSLogix ODFC containers, DEM for the other stuff, and App Volumes to deliver applications. The root of the issue was that the previous session was not logging off. Users would be presented with an FSLogix error preventing them from logging in: