In Windows 2000, Microsoft included a version of an Exchange Server
utility—esentutl.exe—that can defragment database files. At a command
prompt, type the following command to defragment ntds.dit (the default name for
the Active Directory—AD—database file):
ESENTUTL /D ntds.dit [options]For a list of the command options, type
ESENTUTL /?or
ESENTUTL /helpUsually, you use Ntdsutil to defragment your AD database; Ntdsutil is still the most supported version
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