Open a command prompt as Administrator and navigate to the Deep Security installation directory (typically C:\Program Files\Trend Micro\Deep Security Agent\ ). Run the following command to query the driver status:
Anti-Malware: Driver offline / Not installed - Deep Security
Always deploy using the official .msi file, not a zipped version. Open a command prompt as Administrator and navigate
If using agentless anti-malware and the driver is "offline" for all VMs on a host:
Open an administrative Command Prompt or terminal and verify that the core application frameworks are running. sc query "ds_agent" sc query "Amsp" Use code with caution. sc query "ds_agent" sc query "Amsp" Use code with caution
Trend Micro support will often request a (Windows) or a kdump (Linux) to check for kernel conflicts.
If you want to dive deeper into a specific scenario, let me know: What and version/kernel are you running? What Deep Security Agent (DSA) version is installed? What Deep Security Agent (DSA) version is installed
Disclaimer: This article provides general troubleshooting advice. Always follow your organization's IT security protocols and test in a non-production environment first.
Windows Server often blocks drivers due to missing security certificates or strict Secure Boot policies.
(Alternatively, use in the Control Panel).
Remove any old OfficeScan/Apex One clients or third-party AV agents before installing Deep Security.