Cb Response: All sensors on single minion within a cluster collect data, but show offline

Products

• Carbon Black EDR (formerly Cb Response)

Issue/Introduction

• All Sensors on a specific minion successfully send data to the Cb Response server
• The same Sensors show as Offline within the Cb Response web interface

Environment

• Cb Response Server: 6.x
• Cluster deployed with at least 1 minion server

Cause

This will occur if the time on the master and minion server is out of sync. 

Resolution

• Enable NTP on the master and all minion servers