Carbon Black Cloud: Quarantined devices cannot reach back-end and never come out of quarantine

Products

• Carbon Black Cloud Workload

Issue/Introduction

Sensors placed in quarantine cannot communicate with backend to receive unquarantine notification

Environment

• Carbon Black Cloud Sensor: 3.7.x
  • Endpoint Standard
  • Workloads
• Microsoft Windows: All Supported Versions

Cause

This is identified as an issue DNS and DHCP - DSEN-16642

Resolution

• The issue is expected to be fixed in the 3.8 sensor release targeted for end of year 2021
• For workarounds, contact Carbon Black Support