Endpoint detection and response in block mode
In brief
The article now provides expanded steps for locating and editing the setting in Group Policy Management Console, including the full navigation path and alternative edit methods. It also documents configuring the setting locally with the Local Group Policy Editor.
What Defender admins need to know
Administrators have clearer centralized and local procedures for configuring EDR in block mode.
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Documentation change
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Endpoint detection and response in block mode
Enable EDR in block mode
You can use Group Policy to enable EDR in block mode.
OnIn Centralized Group Policy, open the Group Policy Management Console (GPMC) on your Group Policy managementcomputer, opencomputer.In the
Group Policy Management Console.GPMC console tree, expand Group Policy Objects in the forest and domain containing the GPO you want to edit.Right-click the
Group Policy Object you want to configure,GPO, and then select Edit.In the Group Policy Management Editor, go to Computer configuration
and then select> Administrative templates.Expand the tree to> Windows components > Microsoft Defender Antivirus > Features.Double-clickIn the details pane of Features, open the Enable EDR in block mode setting. To open the setting, use any of the following methods:- Double-click the setting.
- Right-click the setting, and
setthen select Edit. - Select the
option tosetting, and then select Action > Edit.
In the setting window that opens, select Enabled
.Select, and then select OK.
Requirements for EDR in block mode
See also
Endpoint detection and response (EDR) in block mode frequently asked questions (FAQ)Requirements for EDR in block mode
See also
@@ -1,6 +1,6 @@ --- title: Endpoint detection and response in block mode-description: Learn about endpoint detection and response in block mode+description: Learn about endpoint detection and response in block mode. author: limwainstein ms.author: lwainstein ms.reviewer: pahuijbr, kausd@@ -9,11 +9,13 @@ ms.service: defender-endpoint ms.subservice: edr ms.localizationpriority: medium ms.custom:+ - msecd-doc-authoring-1015 - next-gen - mde-edr - admindeeplinkDEFENDER - sfi-ga-nochange-ms.date: 10/20/2025+ms.date: 08/12/2026+ai-usage: ai-assisted ms.collection: - m365-security - tier2@@ -21,6 +23,7 @@ ms.collection: appliesto: - Microsoft Defender for Endpoint Plan 2 - Microsoft Defender Antivirus+#customer intent: As a security administrator, I want to understand endpoint detection and response in block mode so that endpoints can remediate malicious artifacts when Microsoft Defender Antivirus isn't the primary antivirus product. --- # Endpoint detection and response in block mode@@ -65,6 +68,7 @@ When EDR in block mode is turned on, and a malicious artifact is detected, Defen ## Enable EDR in block mode > [!IMPORTANT]+> > - Make sure the [requirements](#requirements-for-edr-in-block-mode) are met before turning on EDR in block mode. > - Defender for Endpoint Plan 2 licenses are required. > - Beginning with [platform version 4.18.2202.X](microsoft-defender-antivirus-updates.md), you can set EDR in block mode to target specific device groups using Intune CSPs. You can continue to set EDR in block mode tenant-wide in the [Microsoft Defender portal](https://security.microsoft.com).@@ -90,17 +94,23 @@ For more information on the Defender CSP used for EDR in block mode, see "Config You can use Group Policy to enable EDR in block mode. -1. On your Group Policy management computer, open the [Group Policy Management Console](/previous-versions/windows/it-pro/windows-server-2008-R2-and-2008/cc731212(v=ws.11)).+1. In Centralized Group Policy, open the [Group Policy Management Console (GPMC)](/windows-server/identity/ad-ds/manage/group-policy/group-policy-management-console) on your Group Policy management computer.++1. In the GPMC console tree, expand Group Policy Objects in the forest and domain containing the GPO you want to edit. -1. Right-click the Group Policy Object you want to configure, and then select **Edit**.+1. Right-click the GPO, and then select **Edit**. -1. In the **Group Policy Management Editor** go to **Computer configuration** and then select **Administrative templates**.+1. In the **Group Policy Management Editor**, go to **Computer configuration** \> **Administrative templates** \> **Windows components** \> **Microsoft Defender Antivirus** \> **Features**. -1. Expand the tree to **Windows components** > **Microsoft Defender Antivirus** > **Features**.+1. In the details pane of **Features**, open the **Enable EDR in block mode** setting. To open the setting, use any of the following methods:+ - Double-click the setting.+ - Right-click the setting, and then select **Edit**.+ - Select the setting, and then select **Action** \> **Edit**. -1. Double-click **Enable EDR in block mode** and set the option to **Enabled**.+1. In the setting window that opens, select **Enabled**, and then select **OK**. -1. Select **OK**.+> [!TIP]+> You can also configure Group Policy locally on individual devices by using the Local Group Policy Editor (`gpedit.msc`). Navigate to the same path: **Computer configuration** \> **Administrative templates** \> **Windows components** \> **Microsoft Defender Antivirus** \> **Features**. ## Requirements for EDR in block mode @@ -125,6 +135,3 @@ The following table lists requirements for EDR in block mode: ## See also - [Endpoint detection and response (EDR) in block mode frequently asked questions (FAQ)](edr-block-mode-faqs.yml)--- 