Performance analyzer for Microsoft Defender Antivirus - ScanType Info

Contributor

Just started looking into the use of this tool to troubleshoot some performance issues we are seeing with some devices becoming unusable during full scans.

 

It looks great and is returning some good info but it would be good to have a reference of what the different "ScanTypes" are and how they differ?

 

So far I can see

 

UfsFileScan

StreamScan

OnDemandScan

 

Official docs seem to have no info - https://learn.microsoft.com/en-us/microsoft-365/security/defender-endpoint/tune-performance-defender... 

 

The comments in this thread at launch seem to suggest this info would be added - https://techcommunity.microsoft.com/t5/microsoft-defender-for-endpoint/announcing-performance-analyz...

 

But still nothing?

 

Anyone else used this tool successfully?

 

Paul

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