Trend Micro Deep Security Anti-malware Driver Offline Not Installed -

Trend Micro Deep Security Anti-Malware Driver Offline: Not Installed

Overview

This issue typically occurs when the Trend Micro Deep Security Agent (DSA) is deployed to an endpoint, but the Anti-Malware (AM) module fails to activate. In the Deep Security Manager console, the Anti-Malware state shows as "Offline" or "Not Installed," leaving the endpoint vulnerable to threats.

However, a common and frustrating error message can appear in the Deep Security Manager (DSM) console or event logs: Trend Micro Deep Security Anti-Malware Driver Offline: Not

If you are seeing this error in a virtual environment using agentless protection: System log (Event ID 7000, 7001, 7026) –

"Anti-Malware Driver Offline" "Not Installed" in Trend Micro Deep Security indicates that while the Deep Security Agent (DSA) may be running, its specific protection module for malware cannot communicate with the core operating system. www.trendmicro.com Common Root Causes Missing CA Certificates Additional Tips and Best Practices

Check Device Manager

4.5 Review Windows Event Logs

• System log (Event ID 7000, 7001, 7026) – service failed to start.
• Code Integrity log (Event ID 3033, 3076) – driver blocked due to signature/hash failure.

Additional Tips and Best Practices