Problems Installing MS-DOS 6.21 Upgrade over Novell DOS 7 (114359)
The information in this article applies to:
• Microsoft MS-DOS operating system 6.21
• Microsoft MS-DOS operating system 6.22
This article was previously published under Q114359
If you attempt to upgrade from Novell DOS 7 to MS-DOS 6.21 and you have
compressed your C drive, you receive the following error message
There is not enough free space on drive C to install MS-DOS.
You cannot install MS-DOS unless your computer has at least
4,200,000 bytes of free disk space on drive C. Exit Setup,
and move or delete unneeded files from the drive. For more
information about freeing disk space, see 'Diagnosing and
MS-DOS 6.21 Setup was not tested with Novell DOS 7 and is not designed to
be installed over Novell DOS 7. If you have Novell DOS 7 installed and your
C drive is compressed, you cannot run MS-DOS 6.21 Setup.
To work around this problem, uninstall your Novell DOS 7 compression and
then install MS-DOS 6.21.
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