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Manually uninstalling IM Security 1.6

    • Updated:
    • 13 Mar 2020
    • Product/Version:
    • IM Security 1.6
    • Platform:
    • Lync Server 2010
    • Lync Server 2013
    • Windows 2008 Datacenter
    • Windows 2008 Datacenter 64-bit
    • Windows 2008 Enterprise
    • Windows 2008 Enterprise 64-bit
    • Windows 2008 Essential Business Server
    • Windows 2008 Server Core
    • Windows 2008 Server Foundation
    • Windows 2008 Server R2
    • Windows 2008 Server R2 Datacenter
    • Windows 2008 Server R2 Enterprise
    • Windows 2008 Server R2 with Hyper-V(TM)
    • Windows 2008 Small Business Server
    • Windows 2008 Standard
    • Windows 2008 Standard 64-bit
    • Windows 2008 Storage Server
    • Windows 2008 Web Server Edition
    • Windows 2008 Web Server Edition 64-bit
    • Windows 2012 Datacenter
    • Windows 2012 Datacenter R2
    • Windows 2012 Enterprise
    • Windows 2012 Server Essential R2
    • Windows 2012 Server Essentials
    • Windows 2012 Server Foundation R2
    • Windows 2012 Standard
    • Windows 2012 Standard R2
    • Windows 2012 Web Server Edition
    • Windows Server 2012

When you change the password on your domain account, which is the same password used for IM Security installation, the service stopped working. You may need to uninstall IM Security. This article shows the procedure on uninstalling IM Security manually.


To uninstall IM Security:

If IM Security is connected to Control Manager (TMCM) server, unregister it and disable the communication between them first.
  1. Stop IM Security related services:
    • Trend Micro IM Security Server
    • Trend Micro IM Security System Attendant
    • SQL Server (IMSECURITY)
  2. Delete the registry entries under HKEY_LOCAL_MACHINE\SOFTWARE\TrendMicro\IM Security\ if the IM Security is version 1.6 and is freshly installed. If the version was upgraded, there might still be entries under HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432\TrendMicro\IM Security\.
  3. Delete the IM Security website from IIS or Apache server.
  4. Uninstall SQL IMSECURITY instance component from the Control Panel.
    Uninstalling SQL IMSECURITY instance component
  5. Delete the IM Security WMI configuration settings.
    1. Install WMI Administrative Tools.
    2. From the Start menu, open the WMI Tools > WMI CIM Studio.
    3. Connect to Trend Micro Namespace.
      Accessing Trend Micro Namespace
    4. On the left panel, click _SystemClass > _NAMESPACE.
    5. From the toolbar on the upper right panel, click the Instance button.
    6. When the instance component appears, double-click on any field of the instance.
      Clearing IM Security WMI configuration settings
    7. Click the Delete button on the toolbar to delete IM Security Namespace.
  6. Delete the program shortcut.
    1. Open C:\ProgramData\Microsoft\Windows\Start Menu\Programs.
    2. Delete this folder: Trend Micro IM Security for Microsoft Office Communications Server.
  7. Delete IM Security services.
    1. Open a command prompt.
    2. To delete Trend Micro IM Security Server service, input:

      sc delete IMSHostService

    3. To delete Trend Micro IM Security System Attendant service, input:

      sc delete IMSSAService

  8. Remove IM Security files. For example, delete all files under C:\Program Files (x86)\IM Security.
  9. Use Microsoft Fixit tool for the programs that cannot be installed or uninstalled.
  10. Delete the IM Security notification account [IMS_ServerName] account in Active Directory Users.
Solution Id:
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