Microsoft KB Archive/104555

= Cannot Use LOADHIGH from Command Prompt =

Article ID: 104555

Article Last Modified on 11/1/2006

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APPLIES TO


 * Microsoft Windows NT Advanced Server 3.1
 * Microsoft Windows NT Workstation 3.1

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This article was previously published under Q104555



SUMMARY
Page 272 of the Windows NT System Guide (page 277 of the Windows NT Advanced Server System Guide) includes LOADHIGH (LH) in a list of 16-bit Windows and MS-DOS subsystem commands. All of the listed commands are accepted when run from Command Prompt except LOADHIGH. If you attempt to use LOADHIGH from either CMD.EXE or the COMMAND.COM that comes with Windows NT, the following error message will appear:

The name specified is not recognized as an internal or external command, operable program or batch file.

LOADHIGH does work correctly if you use it in the AUTOEXEC.NT or equivalent startup file.



MORE INFORMATION
To use the LOADHIGH command in Windows NT, the following must be true:


 * The DOS=UMB command must be included in the CONFIG.NT or equivalent startup file.
 * The extended-memory manager, HIMEM.SYS, must be installed. Use the DEVICE command in the CONFIG.NT or equivalent startup file to install HIMEM.SYS.

When the LOADHIGH command is used to load a program, Windows NT attempts to load the program into the upper memory area (UMA). If there is insufficient free space in the UMA, Windows NT loads the program into conventional memory. Windows NT does not indicate which memory area is used.

NOTE: The MEM command can be used to determine where the program has been loaded.

Additional query words: prodnt msdos

Keywords: kbother KB104555

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