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Increase NTFS Peformance by Disabling the Last Access Time Stamp

Posted On 2007-05-03 by FortyPoundHead
Keywords: Increase NTFS Peformance by Disabling the Last Access Time Stamp
Tags:  Windows NT Windows 2000
Views: 1587


When Windows NT lists a directory (Explorer, DIR command, etc.) on an NTFS volume, it updates the LastAccess time stamp on each directory it detects. If there are a very large number of directories, this can affect performance.
To control this feature use Regedit to edit the key:
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\FileSystem
Add Value name "NtfsDisableLastAccessUpdate" of type REG_DWORD. Set it to "1" to prevent the LastAccess time stamp from being updated.

Key: [HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\FileSystem]
Value Name: NtfsDisableLastAccessUpdate
Data Type: REG_DWORD
Data: (0 = disable, 1 = enable)


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