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Merge pull request #7242 from jsuther1974/WDAC-Docs

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Added verification steps
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Stephanie Savell
2022-10-07 13:30:48 -05:00
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parent 0056f80e3a 3046cb1b0b
commit a74161a001
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10
windows/security/threat-protection/windows-defender-application-control/microsoft-recommended-driver-block-rules.md
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@ -14,7 +14,7 @@ author: jgeurten
ms.reviewer: aaroncz
ms.author: dansimp
manager: dansimp
ms.date: 10/06/2022
ms.date: 10/07/2022
---
# Microsoft recommended driver block rules
@ -2198,6 +2198,14 @@ If you prefer to apply the vulnerable driver blocklist exactly as shown above, f
4. Copy SiPolicy.p7b to %windir%\system32\CodeIntegrity
5. Run the WDAC policy refresh tool you downloaded in Step 1 above to activate and refresh all WDAC policies on your computer
To check that the policy was successfully applied on your computer:
1. Open Event Viewer
2. Browse to **Applications and Services Logs - Microsoft - Windows - CodeIntegrity - Operational**
3. Select **Filter Current Log...**
4. Replace "<All Event IDs>" with "3099" and select OK
5. Look for a 3099 event where the PolicyNameBuffer and PolicyIdBuffer match the Name and Id PolicyInfo settings found at the bottom of the blocklist WDAC Policy XML in this article. NOTE: Your computer may have more than one 3099 event if other WDAC policies are also present.
> [!NOTE]
> If any vulnerable drivers are already running that would be blocked by the policy, you must reboot your computer for those drivers to be blocked. Running processes aren't shutdown when activating a new WDAC policy without reboot.