Note
Note
This topic discusses the update process for Security Agents. The update process for Update Agents is discussed in Customized Update Sources for Update Agents.
After you have set up and saved the customized update source list, the update process proceeds as follows:
  1. The Security Agent updates from the first source on the list.
  2. If unable to update from the first source, the Security Agent updates from the second source, and so on.
  3. If unable to update from all sources, the Security Agent checks the following settings on the Update Source screen:

    Additional Settings for Custom Update Sources

    Setting
    Description
    Update Agents update components, domain settings, and agent programs and hot fixes, only from the Apex One server
    If this setting is enabled, Update Agents update directly from the Trend Micro Apex One server and disregard the Customized Update Source List.
    If disabled, Update Agents apply the customized update source settings configured for normal agents.
    Security Agents update the following items from the Apex One server if all customized sources are unavailable or not found:
    Components
    If this setting is enabled, the agent updates components from the Trend Micro Apex One server.
    If disabled, the agent then tries connecting directly to the Trend Micro ActiveUpdate server if any of the following is true:
    • The ActiveUpdate server is not included in the Customized Update Source List.
    Domain settings
    If this setting is enabled, the agent updates domain-level settings from the Trend Micro Apex One server.
    Security Agent programs and hot fixes
    If this setting enabled, the agent updates programs and hot fixes from the Trend Micro Apex One server.
  4. If unable to update from all possible sources, the agent quits the update process.