Client Services

The OfficeScan client runs the services listed in OfficeScan Client Services. You can view the status of these services from Microsoft Management Console.

OfficeScan Client Services


Features Controlled

Trend Micro Unauthorized Change Prevention Service (TMBMSRV.exe)

  • Behavior Monitoring

  • Device Control

  • Certified Safe Software Service

  • Client Self-protection

  • Client Self-protection prevents client services from being terminated when they are enabled and running.

OfficeScan NT Firewall (TmPfw.exe)

OfficeScan firewall

OfficeScan Data Protection Service (dsagent.exe)

  • Digital Asset Control

  • Device Control

OfficeScan NT Listener (tmlisten.exe)

Communication between the OfficeScan client and server

OfficeScan NT Proxy Service (TmProxy.exe)

  • Web reputation

  • POP3 mail scan

OfficeScanNT RealTime Scan (ntrtscan.exe)

  • Real-time Scan

  • Scheduled Scan

  • Manual Scan/Scan Now

The following services provide robust protection but their monitoring mechanisms can strain system resources, especially on servers running system-intensive applications:

For this reason, these services are disabled by default on server platforms (Windows Server 2003 and Windows Server 2008). If you want to enable these services:

For desktop platforms (Windows XP, Vista, and 7), disable the services only if you notice a significant drop in performance.

  1. For OfficeScan clients running Windows XP, Vista, or 7:

    1. In the client tree, click the root domain icon or select specific domains or clients.

    2. Click Settings > Additional Service Settings.

    3. Select or clear the check box under the following sections:

    4. Click Save to apply settings to the domain(s). If you selected the root domain icon, choose from the following options:

  2. For OfficeScan clients running Windows Server 2003 or Windows Server 2008:

    1. Select a client in the client tree.

    2. Click Settings > Additional Service Settings.

    3. Select or clear the check box under the following sections:

    4. Click Save.

  1. Download Trend Micro Performance Tuning Tool from:


  3. Unzip to extract TMPerfTool.exe.

  4. Place TMPerfTool.exe in the <Client installation folder> or in the same folder as TMBMCLI.dll.

  5. Right-click TMPerfTool.exe and select Run as administrator.

  6. Read and accept the end user agreement and then click OK.

  7. Click Analyze. The tool starts to monitor CPU usage and event loading.

  8. A system-intensive process is highlighted in red.


    System-intensive process highlighted

  9. Select a system-intensive process and click the Add to the exception list (allow) button .

  10. Check if the system or application performance improves.

  11. If the performance improves, select the process again and click the Remove from the exception list button .

  12. If the performance drops again, perform the following steps:

    1. Note the name of the application.

    2. Click Stop.

    3. Click the Generate report button and then save the .xml file.

    4. Review the applications that have been identified as conflicting and add them to the Behavior Monitoring exception list. For details, see Behavior Monitoring Exception List.

See also: