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Running Nonnative Applications in Windows 2000 Professional

There is little performance gain in turning off Os2srv or disabling the OS/2 subsystem because it uses no memory or resources until an OS/2-based application is run. However, you might need to terminate or disable the subsystem to attain compliance with government security standards. Use the following procedures:

To turn off Os2srv

  1. Run the Process Viewer tool.

  2. In the dialog box, select Os2srv , and then click Kill Process .

If you run another OS/2-based application later, Os2srv is reloaded.

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Note

The Process Viewer tool is provided as file Pviewer.exe on the Windows 2000Resource Kit companion CD.

To disable the OS2 subsystem

  1. Start a Registry Editor and find the Optional registry entry in HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Session Manager\SubSystems.

  2. Delete the value Os2.

  3. Restart the computer to make the change effective.

For information about opening a registry editor, see information on the registry in Windows 2000 Prfessional Help.

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