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Incompatibility with McAfee Active Response 2.3 or 2.4 when installed on systems with McAfee Agent 5.6 and Data Exchange Layer 5.0
Technical Articles ID:   KB91003
Last Modified:  6/24/2019

Environment

McAfee Active Response (MAR) 2.4, 2.3
McAfee Agent (MA) 5.6.0
McAfee Data Exchange Layer (DXL) 5.0.0

Summary

DXL 5.0 background details:
The following is excerpted from the DXL 5.0 Release Notes (PD28080)
 
What's new
The current release of the product includes these enhancements and changes. McAfee Agent 5.6.0 bundles the McAfee Data Exchange Layer client as a component
The DXL client is now automatically installed on managed systems with McAfee Agent 5.6.0 and automatically connects to a DXL broker in your environment. DXL services run as part of McAfee Agent services. The DXL client will no longer be installed with the DXL server and brokers. If there is no broker present, the DXL client is idle until a broker is available for it to connect to

Problem

The McAfee Active Response client fails to start on a system that has either of the following products installed:
  • McAfee Agent 5.6.0
  • Data Exchange Layer 5.0.0
The issue is only seen on systems where the DXL 5.0.0 client is integrated and deployed with McAfee Agent 5.6.0.

Solution

To install McAfee Agent 5.6.0 on systems running the Active Response client:
 
If you use the McAfee Active Response client, you must first install a mandatory hotfix on all systems running the client before you install McAfee Agent 5.6.0 on those systems.
  • If you use Active Response 2.4, install MAR 2.4 Hotfix 1 (build 2.4.0.176) or later.
  • If you use Active Response 2.3, install MAR 2.3 Hotfix 4 (build 2.3.0.264)
  • If you use Active Response 2.2 or earlier, upgrade to Active Response 2.4, then install MAR 2.4 Hotfix 1 or later
After the hotfix is installed, you can then install McAfee Agent 5.6.x.

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