Perform analysis on the specified volumes. Specifies the drive letter or mount point path of the volume to be defragmented or analyzed.
Syntax defrag | /C | /E ]ĭefrag | /C | /E /A ]ĭefrag | /C | /E /X ] Membership in the local Administrators group, or equivalent, is the minimum required to run this command.įor examples of how this command can be used, see Examples. Locates and consolidates fragmented files on local volumes to improve system performance. Applies To: Windows Vista, Windows Server 2008, Windows Server 2012, Windows 8