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dipendas1979's avatar
dipendas1979
Brass Contributor
Mar 31, 2023

ASR (Attach Surface Reduction) Policies showing Error

We have configured ASR Rules using Endpoint Security Policies in Microsoft Intune. 

However many endpoints are showing errors. (See Attached)

How can we mitigate these errors. 

1 Reply

  • 0fflinedocs's avatar
    0fflinedocs
    Brass Contributor
    Greetings! Have you double checked that these clients are fulfilling the requirements? https://learn.microsoft.com/en-us/microsoft-365/security/defender-endpoint/enable-attack-surface-reduction?view=o365-worldwide#requirements

    Specifically I would double check these first:
    - Microsoft Defender Antivirus as primary AV (real-time protection on)
    - Cloud-Delivery Protection on (some rules require that)
    - Windows Enterprise E5 or E3 License

    I assume it's working for some devices, but for others not? Are there any particular differences between these device types (in terms of licensing/configuration)?

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