License & Subscription Issues

Microsoft Defender Licensing Guide: Office 365, Endpoint, and Servers

John WilsonJohn Wilson Oct 23, 2026 868 views

Question details

The user needs to identify which Microsoft licenses include email phishing protection, Defender for Endpoint, and Defender for Servers for an organization currently using Exchange hybrid and Microsoft 365 Business Standard.

Microsoft Defender Licensing Guide: Office 365, Endpoint, and Servers
Product
Microsoft Defender
Device & OS
not provided
Scenario
Upgrading security infrastructure to include advanced protection for emails, endpoints, and servers.
Observed behavior
The organization needs to find the correct licensing bundle or add-on combination to cover all three specific Defender services efficiently.
Before you start

Before changing your licensing structure, verify your current active Microsoft 365 Business Standard licenses and calculate the exact number of users and servers that require advanced Defender protection.

Solution 1Recommended

Upgrade to Microsoft 365 E5 or E5 Security

For comprehensive coverage across Office 365, endpoints, and servers, E5 tier licenses provide the most straightforward and complete path.

Microsoft 365 E5 and E5 Security bundles natively include Microsoft Defender for Office 365 (Plan 2) and Defender for Endpoint.

Defender for Servers typically requires Azure integration (Microsoft Defender for Cloud), which may involve separate consumption billing depending on your specific Azure environment.

1
Access the Admin Center

Log in to the Microsoft 365 Admin Center using your global administrator credentials.

2
Navigate to Billing

Click on 'Billing' in the left-hand navigation menu and select 'Purchase services' to browse available E5 upgrade paths.

3
Compare Upgrade Paths

Compare the Microsoft 365 E5 or E5 Security add-on against your current Business Standard subscription to determine the optimal deployment and cost difference.

Upgrade to Microsoft 365 E5 or E5 Security
Consult a Licensing Expert: Because Defender for Servers licensing is often tied to Azure Defender for Cloud, consult a Microsoft sales representative to ensure full server coverage.
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Frequently Asked Questions

Does Microsoft 365 Business Standard include Defender for Endpoint?

No, Business Standard includes standard security features but does not include advanced Microsoft Defender for Endpoint. You must purchase it as an add-on (like Defender for Business) or upgrade your plan.

Can I buy Defender for Office 365 as a standalone license?

Yes, Microsoft Defender for Office 365 Plan 1 or Plan 2 can be purchased as a standalone add-on to certain existing Exchange or Microsoft 365 subscriptions.

Is Defender for Servers included in Microsoft 365 E5?

While E5 covers user endpoints and Office 365 heavily, Defender for Servers is generally managed and billed through Microsoft Defender for Cloud within Azure, requiring separate considerations.