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Most people are using https://github.com/FSLogix/Invoke-FslShrinkDisk by our very own @JimMoyle

I was wondering if that was still the current standard. Thanks for verifying! There is the other one shrinkfsl.exe that I’ve used in the past also. But I think this one may be more current/better?

It works out of the box with FSL 2210+. Please use the most recent version, which is FSL 2210 HF02. PreReq: • FSL 2210 and later • Defragsvc enabled • Whitespace >= 20% • Containersize +1GB https://learn.microsoft.com/en-us/fslogix/concepts-vhd-disk-compaction

yes it's fully native now

Yeah, I put it into the product

Nice job, that was great to hear

Hi all, i´m having some issues here. Enabled it a few month ago, but still some large profiles which are not compacted. Now I noticed, that the GetSupportedSize cant run on these profiles. I had to run manually chkdsk /R on the profile, after this the GetSupportedSize worked and I expect now also the compaction works. Before disk compaction we used (a modified @JimMoyle) script to handle this. Anybody knows, what could case this corruption of the vhdx? Is there a task which should run chkdsk in background on mounted vhdx files (which I may have disbaled in one of the optimazion scripts out there..)? In my current example the vhdx size was 10GB, used space was about 4GB. We´re using native AVD on W10 Multi-Session