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Microsoft Defender for Business requirements

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This article describes the requirements for Defender for Business.

What to do

  1. Review the requirements and make sure you meet them.
  2. Proceed to your next steps.

Review the requirements

The following table lists the basic requirements you need to configure and use Defender for Business.

Requirement Description
Subscription Microsoft 365 Business Premium or Defender for Business (standalone).
See How to get Defender for Business.
Datacenter One of the following datacenter locations:
- European Union
- United Kingdom
- United States
- Australia
User accounts - User accounts are created in the Microsoft 365 admin center (https://admin.microsoft.com).
- Licenses for Defender for Business (or Microsoft 365 Business Premium) are assigned in the Microsoft 365 admin center.

To get help with this task, see Add users and assign licenses.
Permissions To use the Microsoft Defender portal to view or manage devices and security policies, users must have an appropriate role assigned in Microsoft Entra ID:
- Security Reader
- Security Administrator

To learn more, see Roles and permissions in Defender for Business.
Browser Microsoft Edge or Google Chrome
Client computer operating system To manage devices in the Microsoft Defender portal, your devices must be running one of the following operating systems:
- Windows 10 or 11 Business
- Windows 10 or 11 Professional
- Windows 10 or 11 Enterprise
- Mac (the three most-current releases are supported)

Make sure that KB5006738 is installed on the Windows devices.
Mobile devices To onboard mobile devices, such as iOS or Android OS, you can use Mobile threat defense capabilities or Microsoft Intune.

For more details about onboarding devices, including requirements for mobile threat defense, see Onboard devices to Microsoft Defender for Business.
Server license To onboard a device running Windows Server or Linux Server, you'll need an additional license, such as Microsoft Defender for Business servers (see note 1 below).
Additional server requirements Windows Server endpoints must meet the requirements for Defender for Endpoint, and enforcement scope must be turned on.
1. In the Microsoft Defender portal, go to Settings > Endpoints > Configuration management > Enforcement scope.
2. Select Use MDE to enforce security configuration settings from MEM, select Windows Server.
3. Select Save.

Linux Server endpoints must meet the prerequisites for Microsoft Defender for Endpoint on Linux.

Note

  1. To onboard servers, we recommend using Microsoft Defender for Business servers. Alternately, you could use Microsoft Defender for Servers Plan 1 or Plan 2. To learn more, see What happens if I have a mix of Microsoft endpoint security subscriptions? and Onboard devices to Microsoft Defender for Business.

  2. Microsoft Entra ID is used to manage user permissions and device groups. Microsoft Entra ID is included in your Defender for Business subscription.

    • If you don't have a Microsoft 365 subscription before you start your trial, Microsoft Entra ID will be provisioned for you during the activation process.
    • If you do have another Microsoft 365 subscription when you start your Defender for Business trial, you can use your existing Microsoft Entra service.

  3. Security defaults are included in Defender for Business. If you prefer to use Conditional Access policies instead, you'll need Microsoft Entra ID P1 or P2 Plan 1 (included in Microsoft 365 Business Premium. To learn more, see Multi-factor authentication.

Next steps