Trend Micro Deep Security Anti-malware Driver Offline Not Installed [best] Link

The "Anti-Malware Driver Offline/Not Installed" status in Trend Micro Deep Security indicates the agent is unable to communicate with its local anti-malware module or the driver itself is missing/failed TrendMicro Common Causes Installation Corruption

Refer to the Trend Micro Success Portal for specific certificate update steps. 3. Manual Filter Driver Installation

Once you resolve the “Anti-Malware Driver Offline Not Installed” error, implement these best practices:

Follow these steps in order to resolve the issue, as detailed in Trend Micro's official knowledge base articles. For deeper troubleshooting, you can generate a from

For deeper troubleshooting, you can generate a from the Agent to send to Trend Micro Support .

This is often required for DSA 10.0-related issues where the driver fails to install automatically during setup.

: If a virtual machine enters standby or sleep mode, communication with the driver may be lost. TrendMicro Troubleshooting and Solutions 1. Basic Service and Status Checks Restart Services TrendMicro Troubleshooting and Solutions 1

HKLM\SYSTEM\CurrentControlSet\Services\ds_driver

If the installation seems fine, but the driver is still not starting, you may need to force a refresh of the driver in the Device Manager.

For agentless deployments, the DSVA must have network access to the ESXi host’s management IP and the VM’s storage (via vMotion network). If firewalls block ports (e.g., TCP 443, 4120), the driver status appears offline. Copied to clipboard

Ensure the server has the latest Microsoft root certificate updates so it can trust Trend Micro’s signed drivers.

# Check primary services sc query "Trend Micro Deep Security Agent" sc query "Trend Micro Solution Platform" (AMSP) # Check specific drivers (version 12.5 or earlier) sc query tmcomm sc query tmactmon sc query tmevtmgr Use code with caution. Copied to clipboard