If the logs indicate a build failure due to missing headers, install the required packages and restart the agent.
Antivirus software, group policies, or abrupt shutdowns corrupted the agent's installation files.
Ensure the server has the latest Microsoft root certificate updates so it can trust Trend Micro’s signed drivers. If the logs indicate a build failure due
Open regedit and navigate to: HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\tmcomm
The most common cause is a failed or incomplete installation of the Deep Security Agent (DSA) . Cons (critical) : VMs in standby or hibernate
dsa_control -r followed by dsa_control -a dsm://[DSM_IP_or_Hostname]:4118/
This article is intended for IT professionals managing Trend Micro Deep Security version 10.x, 12.x, or 20.x. Always refer to Trend Micro’s official documentation for version-specific commands. If the logs indicate a build failure due
Cons (critical)
: VMs in standby or hibernate mode may lose communication with the security appliance, triggering this status. AI responses may include mistakes. Learn more
C:\Program Files\Trend Micro\Deep Security Agent\