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Security Policy Errors

Fix Microsoft Defender for macOS Full Disk Access Configuration Unavailable

John WilsonJohn Wilson Sep 27, 2026 868 views

Question details

The user needs to resolve an issue where Microsoft Defender for Endpoint on macOS displays a Configuration not available status for Full Disk Access.

Fix Microsoft Defender for macOS Full Disk Access Configuration Unavailable
Product
Microsoft Defender for Endpoint
Device & OS
macOS
Scenario
Deploying and managing Microsoft Defender security configurations via Microsoft Intune.
Observed behavior
The Defender configuration status in the management portal shows Configuration not available instead of confirming that Full Disk Access is successfully granted.
Before you start

Ensure you have administrator access to the Microsoft Intune admin center and that the target macOS device is powered on and connected to the internet.

Solution 1Recommended

Verify Intune Connection and Device Onboarding

Use this solution to ensure that the foundational connection between Microsoft Intune and Defender for Endpoint is active and the Mac is properly enrolled.

If the integration between Intune and Defender is broken or the device hasn't fully onboarded, configuration policies will fail to apply and show as unavailable.

1
Check Intune-to-Defender Connection

Sign in to the Microsoft Intune admin center, navigate to Endpoint security, and select Microsoft Defender for Endpoint. Verify that the connection status shows as active.

2
Verify Device Enrollment

Go to the Devices section in Intune and locate the affected macOS device to confirm it is successfully enrolled.

3
Confirm Onboarding Status

Check the Microsoft Defender security center to ensure the macOS device appears in the device inventory, indicating a successful onboarding process.

Verify Intune Connection and Device Onboarding
Verification Complete: Once the connection and onboarding are confirmed active, policies can be reliably pushed to the macOS device.
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Frequently Asked Questions

Why does Intune show configuration unavailable for Defender on macOS?

This error typically occurs due to an incomplete onboarding process, delays in device synchronization, or missing configuration profiles granting System Extensions and Full Disk Access in Intune.

How long does it take for Intune policies to apply on macOS?

After initiating a manual sync, policies usually apply within a few minutes. However, depending on network connectivity and Microsoft Intune service loads, it can sometimes take up to 8 hours to fully reflect in the portal.

Can I manually grant Full Disk Access to Defender on a Mac?

Yes, for local troubleshooting you can navigate to System Settings > Privacy & Security > Full Disk Access on the Mac and manually toggle Microsoft Defender. However, for enterprise environments, this should be managed and deployed via Intune profiles.