How to get Microsoft Defender for Business servers

Microsoft Defender for Business servers is an add-on to Defender for Business. This new offering enables you to secure your server operating systems with the same protection that you get for client devices in Defender for Business. This article describes how to get Microsoft Defender for Business servers and includes next steps and additional information.

Important

• In order to add on Microsoft Defender for Business servers, you'll need at least one paid license for Microsoft 365 Business Premium or Defender for Business (standalone).
• You'll need one Microsoft Defender for Business servers license per server instance, although you don't assign it to any devices or users.
• There's a limit of 60 Microsoft Defender for Business servers licenses per subscription to Microsoft 365 Business Premium or Defender for Business.
• Alternately, you could use Microsoft Defender for Servers Plan 1 or Plan 2 to onboard your servers. To learn more, see What happens if I have a mix of Microsoft endpoint security subscriptions?

Get Microsoft Defender for Business servers

Use one of the following procedures to get Microsoft Defender for Business servers:

Scenario	Procedure
You currently have Defender for Business or Microsoft 365 Business Premium, and you want to add on Microsoft Defender for Business servers.	1. In the Microsoft 365 admin center (https://admin.microsoft.com/), in the navigation pane, choose Billing > Purchase services. 2. In the list of results, select the Details box for Microsoft Defender for Business servers. 3. Review the information, and complete the purchase process. You'll need one Microsoft Defender for Business servers license for each instance of Windows Server or Linux. Note that you won't assign the Microsoft Defender for Business servers license to users or devices. 4. Proceed to onboard your server. To get help with this, see Onboard devices to Microsoft Defender for Business.
You do not have either Defender for Business or Microsoft 365 Business Premium yet.	1. Go to one of the following product pages: - Microsoft Defender for Business - Microsoft 365 for business 2. Review the information, and start your subscription today. 3. Depending on what you selected in the previous steps, use one of the following resources to set up your subscription: - Set up and configure Microsoft Defender for Business - Set up and configure Microsoft 365 Business Premium 4. Follow the steps in the preceding scenario ("You currently have Defender for Business or Microsoft 365 Business Premium and you want to add on Microsoft Defender for Business servers").
You previously onboarded devices, such as servers, and now you want to remove (offboard) some of those devices.	See Offboard a device from Microsoft Defender for Business.

Next steps

• Onboard devices to Microsoft Defender for Business.
• Manage devices in Microsoft Defender for Business.
• Offboard a device from Microsoft Defender for Business.