![]() ![]() If your devices are running a third-party antimalware client, Defender for Endpoint agent requires that the Microsoft Defender Antivirus Early Launch Antimalware (ELAM) driver is enabled. Also verify that the Windows diagnostic data service is running on the endpoint.Įnsure that Microsoft Defender Antivirus isn't disabled by policy If the devices aren't reporting correctly, you should verify that the Windows diagnostic data service is set to automatically start. No sensor dataĪ misconfigured device with status 'No sensor data' has communication with the service but can only report partial sensor data.įollow theses actions to correct known issues related to a misconfigured device with status 'No sensor data':Įnsure the diagnostic data service is enabled If you took corrective actions and the device status is still misconfigured, open a support ticket. Verify the proxy configuration completed successfully, that WinHTTP can discover and communicate through the proxy server in your environment, and that the proxy server allows traffic to the Microsoft Defender for Endpoint service URLs. Verify client connectivity to Microsoft Defender for Endpoint service URLs The Microsoft Defender for Endpoint sensor requires Microsoft Windows HTTP (WinHTTP) to report sensor data and communicate with the Microsoft Defender for Endpoint service. The following suggested actions can help fix issues related to a misconfigured device with impaired communications:Įnsure the device has Internet connection This status indicates that there's limited communication between the device and the service. Misconfigured devices can further be classified to: ![]() If the device isn't sending any signals to any Microsoft Defender for Endpoint channels for more than seven days for any reason, a device can be considered inactive this includes conditions that fall under misconfigured devices classification.ĭo you expect a device to be in 'Active' status? Open a support ticket. After seven days, the device health state should change to inactive. If the device was offboarded, it still appears in devices list. If you reinstalled a device and deployed the Defender for Endpoint package, search for the new device name to verify that the device is reporting normally. The previous device entity remains, with an 'Inactive' status in the portal. Device was reinstalled or renamedĪ new device entity is generated in Microsoft 365 Defender for reinstalled or renamed devices. The following actions taken on a device can cause a device to be categorized as inactive:Īny device that isn't in use for more than seven days retains 'Inactive' status in the portal. Inactive devicesĪn inactive device isn't necessarily flagged because of an issue. This section provides some explanations as to what might have caused a device to be categorized as inactive or misconfigured. Want to experience Microsoft Defender for Endpoint? Sign up for a free trial.ĭevices can be categorized as misconfigured or inactive are flagged for varying causes. ![]()
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