title | description | ms.date | ms.topic |
---|---|---|---|
Sensor health message reference - Microsoft Defender for IoT |
Learn about the sensor health messages generated by Microsoft Defender for IoT |
04/24/2022 |
reference |
This article lists the sensor health messages displayed in the Sites and sensors page in the Azure portal.
For more information, see Understand sensor health.
Title | Message | Description | Recommendation |
---|---|---|---|
Disconnected | This sensor isn't communicating with Azure | Sensor is disconnected | Try signing into the sensor to check for errors or networking failures. We also recommend reviewing the sensor networking configuration and verifying the sensor’s ability to communicate with Azure. |
Sanity failed | This sensor failed an internal consistency check | Sensor fails sanity | The sensor is in a degraded state. Check the sensor for hardware failures and try restarting the sensor. If the issue isn't resolved, open a support ticket. |
No traffic detected | No traffic detected on the monitored network interfaces | No traffic detected | Check that the monitoring ports are connected to SPAN/monitor ports on the adjacent switch and that traffic is active on the link. At least one link with network traffic should be connected to the monitor ports. |
Title | Message | Description | Recommendation |
---|---|---|---|
Package upload failed | There was an error uploading the file to the sensor | Upload error | Verify the sensor’s ability to communicate with download.microsoft.com and retry. If the problem persists, open a support ticket. |
Sensor update failed | There was an error installing the update. | Installation error | Open a support ticket. |
Unstable traffic to Azure | Sensor’s connection to Azure is unstable | Unstable traffic to Azure | We recommend that you check the sensor WAN connection, the BW limit settings, and validate network equipment that might be on the route between the sensor and the cloud. |
Outdated | Outdated software may result in a non-optimal experience | Sensor version is outdated | Upgrade your sensor software to the latest version to use the most recently available Defender for IoT features. |
Title | Message | Description | Recommendation |
---|---|---|---|
Pending activation | Waiting for sensor to connect for the first time | Pending activation | Upload the activation file to the sensor. If this doesn't resolve the problem, verify the sensor’s ability to communicate with Azure. |
Pending reactivation | Waiting for reactivation with new license | Pending reactivation | Upload the new activation file to the sensor. If this doesn't resolve the problem, verify the sensor’s ability to communicate with Azure. |
Remediate each error as recommended. For more information, see Manage sensors with Defender for IoT in the Azure portal.