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Mobile Threat Defense Connectors should be healthy

MT.1098HighIntuneTenant administration

Part of Maester · Intune · Tenant administration · All checks

Run this check
Invoke-Maester -TestId MT.1098

This test verifies the health of Intune Mobile Threat Defense Connectors, including Microsoft Defender for Endpoint.

Each connector must be enabled and have a heartbeat in the last 48 hours. The result table explains unhealthy states and reports a missing or year-1 heartbeat as Never received.

A connector in notSetUp has not completed setup and blocks device threat messages. A connector in available has completed setup but needs a platform toggle enabled. Neither state satisfies this health check. An unresponsive connector needs attention because Intune ignores its compliance state once the configured unresponsiveness threshold is reached.

Review each connector’s Reason in the result table. Complete setup and required permissions for a notSetUp connector, enable the relevant platform for an available connector, or remove a connector that is no longer needed. For a missing or stale heartbeat, verify the partner service and its connectivity to Intune.

For Microsoft Defender for Endpoint visit the Microsoft Defender for Endpoint Tenant Settings and ensure that the connector is also enabled from the Microsoft Defender XDR Settings as part of the Microsoft Intune connection.

Additional information:

Every attribute of this check
FieldValue
Test IDMT.1098
SeverityHigh
SuiteMaester
ProductIntune
Related productsDefender
FeatureTenant administration
AreaDevices and endpoints
Resource typeConnector
User impactLow
Implementation costLow
MITRE ATT&CKNone
PowerShell testTest-MtMobileThreatDefenseConnectors
ServicesGraph
Compatible licensesINTUNE_A