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Question about KB0017099 - Recommended exclusions from 3rd party anti-virus (AV) or security applications

  • December 18, 2025
  • 1 reply
  • 18 views

Hi,

just a short question. Is there a need/ recommendation for the “recommended exclusions from 3rd party anti-virus - KB0017099 ” in combination with Microsoft Defender for Endpoint?

We are asking this because at the moment we do not have set these exclusions and for us the Defender is not a typical “3rd party av”.

 

Regards,

Jens

1 reply

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  • Veteran
  • December 18, 2025

No, I have never seen a needed exclusion for Windows Defender.

But for sure Trellix, Cylance, SentinelOne and others for sure. What seems to be missing in the KB now, is the focus on network traffic. zScaler, Netskope and other vendors has been seen to prevent the download of policy, client, and adapter, in some cases making the policy corrupt by tampering with the policy XML.

Kind regards
Jens