Running MS-DOS 6.2 Step-Up over an OEM Version of MS-DOS 6.0 (104252)
The information in this article applies to:
• Microsoft MS-DOS operating system 6.2
• Microsoft MS-DOS operating system 6.22
This article was previously published under Q104252
SUMMARY
This information applies to both Microsoft DoubleSpace and Microsoft
DriveSpace. For MS-DOS 6.22, use DRVSPACE in place of DBLSPACE for commands
and filenames.
SYMPTOMS
When you try to install MS-DOS 6.2 Step-Up over an original equipment
manufacturer (OEM) version of MS-DOS 6.0, you may receive one of the
following error messages:
In order to run the MS-DOS 6.2 single-disk upgrade, you must already
have MS-DOS 6.0 installed on your system.
Cannot Update File. Setup could not update the following file to
MS-DOS 6.2:
Although Setup can continue without updating this file, your MS-DOS
6.2 installation will be incomplete.
CAUSE
If you receive the first error message noted above, you either have
the OEM "base version" of MS-DOS 6.0, or your OEM has modified the
core MS-DOS 6.2 system files (IO.SYS, MSDOS.SYS, and COMMAND.COM). If
your OEM version of MS-DOS 6.2 falls into either of these categories,
you must either obtain your OEM's version of MS-DOS 6.2 or obtain the
MS-DOS 6.2 Upgrade. If you choose to obtain the MS-DOS 6.2 Upgrade,
you may lose some MS-DOS functionality or features added to MS-DOS 6.0
by your OEM.
NOTE: Step-Up cannot upgrade the OEM base version of MS-DOS 6.0
because the OEM base version does not include DoubleSpace, Microsoft
Backup, Microsoft Anti-Virus, and Microsoft Undelete.
If you receive the second error message noted above, your OEM has
modified one or more of the MS-DOS 6.2 files but has not modified the
core system files. In this case, you can successfully install MS-DOS
6.2, but some files will not be updated. You may be able to work
around this situation by copying the MS-DOS 6.0 OEM version of the
files that were not updated from the C:\OLD_DOS.1 directory to the
C:\DOS directory and then using SETVER.EXE to report MS-DOS as version
6.0 to the program files that were not updated. Before doing so,
contact your OEM to determine if this would be a safe and practical
workaround.
The following OEMs have modified MS-DOS 6.0 in some manner:
• Compaq
• Dell
• Texas Instruments
• Toshiba
Modification Type: |
Major |
Last Reviewed: |
11/18/1999 |
Keywords: |
KB104252 |
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