Registry key: HKEY_LOCAL_MACHINE\System\CurrentControlSet\Control\FileSystem
Parameter: AsyncFileCommit
Type: string
Description:
This setting changes function calls to the File-Commit API to return immediately back without checking the data has been correctly written to the disk drive. By default Windows uses synchronous buffer commits, this setting allows you to enable asynchronous as an alternative for applications that may need this functionality. (0 = sync, 1 = async).


Registry key: HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\FileSystem
Parameter: Win95TruncatedExtensions
Type: string
Description:
(0 = disable , 1 = enable) Windows NT evaluates file extensions on the first three characters, therefore 'filename.html' is actually treated as 'filename.htm'. The side affect is that if you use a command such as 'del *.htm' to delete all the '.htm' files, you will also delete all '.html' files as well. To turn this setting off, editing the key and set the value of 'Win95TruncatedExtensions' to '0', to turn the feature back on, set the value back to '1'.


Registry key: HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\FileSystem
Parameter: NameNumericTail
Type: string
Description:
Set this value to 1 to remove the tildes "~" from short filenames.


Registry key: HKEY_LOCAL_MACHINE\System\CurrentControlSet\Control\FileSystem
Parameter: PreserveLongNames
Type: string
Description:
Windows normally preserves the long filenames of files accessed by legacy applications. This functionalty can be disabled if you are experiencing LFN errors with a legacy application. (00 00 00 00 = disabled, ff ff ff ff = enabled)


Registry key: HKEY_LOCAL_MACHINE\System\CurrentControlSet\Control\FileSystem
Parameter: Win31FileSystem
Type: string
Description:
Set this value to 0 to enable long filenames, or to 1 to use only 8.3 format filenames. Some old software may work only with 8.3 format filenames.


Registry key: HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\FileSystem
Parameter: NtfsDisableLastAccessUpdate
Type: string
Description:
Set this value to "1" to prevent the LastAccess time stamp from being updated. Windows updates the LastAccess time stamp on each directory it browses. If there are a very large numberof directories, this can affect performance.


Registry key: HKEY_LOCAL_MACHINE\System\CurrentControlSet\Services\LanmanServer\Parameters
Parameter: DiskSpaceThreshold
Type: string
Description:
Set this value to the percentage of free disk space remaining before an alert is sent. The allowable range is 0 - 99 percent.


Registry key: HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\FileSystem
Parameter: NtfsDisable8dot3NameCreation
Type: string
Description:
Set this value to 0 to enable 8.3 name creation, or to 1 to disable. This key stops the NTFS volume from generating MS-DOS compatible 8.3 file names.


Registry key: HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer
Parameter: NoDriveTypeAutoRun
Type: string
Description:
Determines whether the Autorun feature is enabled on each drive connected to the system. When Autorun is enabled, media is started automatically when it is inserted in the drive.This value is comprised of 32 bits. The lower 26 bits each represent a drive, with the lowest (right- most) bit representing drive A and the 26th bit from the right representing drive Z. If a bit is set to 0, the autorun feature is enabled, If a bit is set to 1, the autorun feature is disabled on that drive.


Registry key: HKEY_LOCAL_MACHINE\System\CurrentControlSet\Control\FileSystem
Parameter: DriveWriteBehind
Type: string
Description:
To disable cashing data before writing to the disk set this value to 00 00 00 00.


Registry key: HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\FileSystem
Parameter: ContigFileAllocSize
Type: string
Description:
Create and set this value to the size of contiguous file allocation (for example, 200 (hex) or 512 (decimal) - size in kilobytes). VFAT searches a continuous free disk space with such size to write file at the begining.


Registry key: HKEY_LOCAL_MACHINE\System\CurrentControlSet\Control\FileSystem
Parameter: VirtualHDIRQ
Type: string
Description:
This switch allows Windows to terminate interrupts from the hard disk controller, bypassing the ROM routine that handles these interrupts. Some hard drives might require that this setting be disabled in order for interrupts to be processed correctly. If this setting is disabled, the ROM routine handles the interrupts. (00 00 00 00 = disabled, 01 00 00 00 = enabled).


Registry key: HKEY_LOCAL_MACHINE\System\CurrentControlSet\Control\FileSystem
Parameter: SoftCompatMode
Type: string
Description:
This setting controls the file locking mechanisms of Windows 9x, disable this setting only if you are currently experiencing problems with specific applications. (00 00 00 00 = disabled, 00 00 00 01 = enabled)


Registry key: HKEY_LOCAL_MACHINE\System\CurrentControlSet\Control\FileSystem
Parameter: ForceRMIO
Type: string
Description:
This setting controls whether fixed disk access is performed through Windows protected mode drivers or through real mode drivers and BIOS routines. If you are experiencing drive IO errors enabling this seetting may be a possible solution. (00 00 00 00 = protected mode, 01 00 00 00 = real mode).


Registry key: HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\CDRom
Parameter: Autorun
Type: string
Description:
Create and set this value to 0 to disable autorun function CD-ROM.


Registry key: HKEY_LOCAL_MACHINE\System\CurrentControlSet\Control\FileSystem
Parameter: NtfsAllowExtendedCharacterIn8dot3Name
Type: string
Description:
This setting allows extended characters to be used in 8.3 filenames. Short file names with extended characters may not be viewable on computers that do not have the same character code page. (0 = disabled, 1 = enabled)