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

Reinstall the agent using the correct package for your OS version. 4. Rebuild Kernel Modules (Linux)

The most common cause is a pending restart. The DSA agent requires a reboot to lock the drivers into the kernel. Even if the installer didn't ask for it, 2. Verify Agent Status via CLI Reinstall the agent using the correct package for

On the host, open cmd as administrator and navigate to the agent directory. Force local deactivation if offline: dsa_control -r The DSA agent requires a reboot to lock

If you need help resolving this error on a specific platform, please let me know: What and version/kernel are you running? Is Secure Boot enabled on this specific host? Force local deactivation if offline: dsa_control -r If

The "Anti-Malware Driver Offline" or "Not Installed" error in Trend Micro Deep Security indicates a critical communication failure. When this occurs, the Deep Security Agent (DSA) loses its ability to intercept file system activities, leaving the host system vulnerable to threats.

If the drivers remain offline after verifying kernel compatibility and reboots, the installation footprint is likely corrupted. A clean reinstall forces the operating system to rebuild its driver registration tables. Windows Clean Reinstall Process

Open regedit and navigate to: HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\tmcomm