Manually run dfrgntfs.exe?

Hello.

I got annoyed with Windows XP Pro. SP3's dfrgntfs.exe that run in the
background after about ten minutes or so of idling. So I disabled it
through TweakUI. I tried to run dfrgntfs.exe, but it said "command line
operation of Disk Defragmenter is not supported." Is this the same disk
defragger through %SystemRoot%\System32\dfrg.msc?

Thank you in advance.
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