CB Defense: Cannot open Windows Firewall console
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CB Defense: Cannot open Windows Firewall console

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Article ID: 285919

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Updated On:

Products

Carbon Black Cloud Endpoint Standard (formerly Cb Defense)

Issue/Introduction

  • Cannot open Windows Firewall console.
  • Uninstalling the sensor fixes the problem.

Environment

  • CB Defense Sensor: All Versions
  • CB Defense Web Console: All Versions
  • Microsoft Windows: All Supported Versions
  • Nutanix Virtual Machines

Cause

The cause of the problem is an incompatible RSC setting.

Resolution

RSC needs to be disabled
  1. Open PowerShell as Administrator and disable RSC: 
    Disable-NetAdapterRsc *
  2. Reboot the device 
  3. Open the Network Adapter properties > Advance tab
  4. Scroll down to Recv Segment Coalescing (IPv4) and Recv Segment Coalescing (IPv6) and confirm it is set to "Disabled"