App Control: Agent service terminated unexpectedly on Citrix Server after OS reboot

Products

• Carbon Black App Control (formerly Cb Protection)

Issue/Introduction

After upgrading to Agent version 8.8.2 or 8.9.0 errors are generated after reboots similar to:

The Carbon Black App Control Agent service terminated unexpectedly. It has done this 132 time(s). The following corrective action will be taken in 1000 milliseconds: Restart the service.

Environment

• App Control Server: All Supported Versions
• App Control Agent: 8.8.2 - 8.9.0
• Windows OS: Server 2019
• Citrix XenApps

Cause

A defect in the Agent's handling of tracking directory renames and deletes via the USN Journal was tracked under EP-18431 and fixed with the release of Agent 8.9.2.

Resolution

Upgrading to Agent version 8.9.2 will resolve the issue.