Cb Defense: Sensor assigned to group keeps going into the default policy

Products

• Carbon Black Cloud Endpoint Standard (formerly Cb Defense)

Issue/Introduction

• Sensor moves from on-site to off-site frequently. 
• After being moved, Sensor moves from it's assigned policy to the Default policy.

Environment

• Cb Defense Sensor version 3.1.x
• Microsoft Windows: All Supported Versions

Cause

• The sensor queries the network state and AD information every 60 seconds.
• If the information is not available, the sensor policy will change to the Default policy. 

Resolution

Upgrade to version 3.2.1.51 or above of the Cb Defense Sensor.

Additional Information

Sensor logic surrounding this has been improved from 3.1 version of the sensor, and affected machines should be upgraded. 
There is also a feature request in the works for further improvement : https://community.carbonblack.com/t5/Idea-Central/Maintain-AD-info-when-changing-subnets/idc-p/61359#M6938