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Manually Removing Files and Registry Keys

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If it is not possible to remove the MOM agent software from a managed computer using any of the previous methods, you can manually remove the files and registry keys. However, before doing this, be sure to complete the tasks for removing an agent computer from the MOM DCAM. For more information about removing an agent computer from the MOM DCAM, see "Task 2 —Remove the computer from the MOM DCAM" earlier in this chapter.

Caution

  • Before you edit the registry, make sure you understand how to restore it if a problem occurs. Using Registry Editor incorrectly can cause serious problems that might require you to reinstall your operating system. Microsoft cannot guarantee that problems resulting from the incorrect use of Registry Editor can be solved. Use Registry Editor at your own risk.

  • For information about how to edit the registry, view the "Changing Keys and Values" Help topic in Registry Editor (Regedit.exe) or the "Add and Delete Information in the Registry" and "Edit Registry Data" Help topics in Regedt32.exe. Note that you should back up the registry before you edit it. If you are running Windows NT or Windows 2000, you should also update your Emergency Repair Disk.

To manually remove MOM agent files and registry keys

  1. Log on to the agent computer with an administrator account.

  2. Close all open applications.

  3. Stop the OnePoint service.

  4. Start Registry Editor (Regedt32), and then locate the HKEY_LOCAL_MACHINE\SOFTWARE\Mission Critical Software\OnePoint\ key. Write down the directory paths for the following three registry values:

    • DataDir

    • MSInstallSubDir

    • TempDir

  5. Delete the following registry keys if they are present:

    • HKEY_LOCAL_MACHINE\SOFTWARE\Mission Critical Software

    • HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\OnePoint

    Important:

    • Deleting these registry keys disables any NetIQ administration products that are installed. You will need to reinstall the NetIQ products.

  6. Delete the MOM SNMP agent by removing the following registry key:

    HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\SNMP\ Parameters\ExtensionAgents\MCSExtnAgent

    Note that the value for this registry key is set to Software\Mission Critical Software \OnePoint\SNMP

  7. Quit Registry Editor.

  8. In Windows Explorer, locate and delete the three folders where the program was installed, if those folders are present. (Refer to the paths that you wrote down in step 4.) Do not delete the folder that is listed in the TempDir registry value. Instead, delete the Mission Critical Software folder in this Temp directory.

  9. Delete the Mission Critical Software folder and its contents from the following location: \Documents and Settings\All Users\WinNT\Application Data. This folder might alternatively be in the following location: \Documents and Settings\All Users\Application Data.

  10. Delete the Mission Critical Software folder and its contents from the logged on user's Temp folder:

    \Documents and Settings\<user name>\Temp.

  11. Delete the following folder and all its contents:

    <System Drive>\<OS Dir>\Temp\Mission Critical Software.

  12. Restart the agent computer.

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