Unexpected Blocks After Upgrading App Control Server Using Availability Groups

Products

• Carbon Black App Control

Issue/Introduction

• Unexpected blocks occuring after doing an upgrade of an App Control server that is utilizing Availability Groups

Environment

• App Control Agent: All Supported Versions

Cause

Primary and secondary servers were not fully synced / were on different CL Versions, causing the agent to get out of sync with the server.

Resolution

• For any devices still having blocking issues Resend All Policy Rules With Full Configlist
• For the next server upgrade, see Considerations When Using Always On Availability Groups