server backup bug troubleshooting

Author: tarTech23

articles/defender-for-iot/organizations/how-to-troubleshoot-sensor.md

@@ -348,6 +348,17 @@ For further troubleshooting, you may want to export logs to send to the support
 > [!NOTE]
 > Support ticket diagnostics can be downloaded from the sensor console and then uploaded directly to the support team in the Azure portal. For more information on downloading diagnostic logs, see [Download a diagnostics log for support](how-to-troubleshoot-sensor.md#download-a-diagnostics-log-for-support).
 
+## configure a backup server after false positive alert
+<!-- what should the title be?-->
+
+If a false positive alert is produced the backup server might be misconfiigured. In order to correct this:
+
+1. In the sensor console, go to **System settings** > **Sensor management** > **Advanced configurations**.
+1. Select the **Global** category. Ensure that **is_reduce_backup_malware_enabled=1** (Note: **true** is also an acceptable parameter).
+1. Select the **Vulnerability assessment** category. Ensure **backup_servers** contains the back up server device's IP address.
+1. Select the **Ports** category. Ensure that **backup_known_ports** contains the list of port(s) used for the backup server.
+1. Select **Save**.
+
 ## Next steps
 
 - [View alerts](how-to-view-alerts.md)