: The Windows OS may lack the root certificates (e.g., VeriSign, DigiCert, Comodo) required to verify the driver's digital signature, preventing it from loading.
Verify stuck drivers are removed by checking .
: Driver files or registry entries were partially removed or damaged.
A specific known conflict with Comodo certificates can trigger this "offline" status. Step-by-Step Troubleshooting Guide 1. Initial Verification : The Windows OS may lack the root certificates (e
Before performing a full reinstall, check if the necessary services are running:
The anti-malware driver is the core component of the Trend Micro agent that sits in the operating system’s kernel, allowing it to inspect files in real-time, block ransomware, and scan for malicious behavior. When this driver is not installed or active, the agent cannot perform its primary duty, leading to an "Offline" status on the management console. Common Causes for Driver Offline/Not Installed Status
If you have exhausted all steps, gather the following items and contact Trend Micro Technical Support for further assistance: A specific known conflict with Comodo certificates can
Before pushing major agent upgrades to production, test them on a staging environment to ensure driver compatibility. Conclusion
The ds_agent is the main engine, while Amsp represents the Trend Micro Anti-Malware Solution Platform. Both must report a RUNNING status. sudo systemctl status ds_agent Use code with caution. Step 2: Query the Specific Anti-Malware Kernel Drivers
sudo /opt/trend-micro/deep-security-agent/dsa_control -r sudo systemctl restart ds_agent When this driver is not installed or active,
If these show as stopped, attempt to restart the service. 3. Step-by-Step Resolution (Agent-Based) If basic service restarts fail, follow this sequence:
If you are seeing this status, your VMs are against malware. This article explains exactly why this happens and provides a step-by-step guide to resolve it.
When the Deep Security Manager (DSM) console shows the "Anti-Malware Driver Offline" or "Not Installed" status, it indicates that: The driver failed to load during the agent startup. The driver crashed during runtime. The driver file is corrupted or missing.
To install the Trend Micro Deep Security anti-malware driver offline, follow these steps: