If a reinstall fails, the underlying OS might be blocking the driver:
If you are using agentless protection via the Deep Security Virtual Appliance (DSVA): If a reinstall fails, the underlying OS might
Ensure the server has the latest Microsoft root certificate updates so it can trust Trend Micro’s signed drivers. Reinstall the Deep Security Agent If you are
The status "Anti-Malware: Driver offline / Not installed" indicates that the Deep Security Agent (DSA) cannot communicate with or find the required anti-malware kernel drivers on the host system : In the Deep Security Manager, verify that
: For agentless protection, missing vShield/Guest Introspection drivers or power management settings (sleep/hibernation) can trigger an offline status. Step-by-Step Troubleshooting Solutions 1. Reinstall the Deep Security Agent
If you are managing servers with Trend Micro Deep Security , seeing the status can be frustrating. This error indicates that the Deep Security Agent (DSA) cannot communicate with or initialize the core anti-malware drivers, leaving your workload vulnerable. Why is the Driver Showing as Offline?
: In the Deep Security Manager, verify that the Anti-Malware policy is actually turned for that specific computer. www.trendmicro.com
