Article: Q113601
Product(s): Microsoft Disk Operating System
Version(s): MS-DOS:6.21
Operating System(s):
Keyword(s):
Last Modified: 21-NOV-1999
-------------------------------------------------------------------------------
The information in this article applies to:
- Microsoft MS-DOS operating system version 6.21
-------------------------------------------------------------------------------
SYMPTOMS
========
When you install MS-DOS 6.21 Upgrade over IBM PC-DOS version 6.1 (with data-
compression installed), Setup displays the following error message:
Setup cannot continue. Your computer has DoubleSpace installed on it.
MS-DOS 6.21 does not support DoubleSpace.
CAUSE
=====
With data compression installed, IBM PC-DOS 6.1 includes the files DBLSPACE.000,
DBLSPACE.BIN, and DBLSPACE.INI in root directory of the host drive. As a result,
Setup cannot install.
WORKAROUND
==========
To work around this problem, remove the IBM compression by running SSUNCOMP.EXE
and then run MS-DOS 6.21 Upgrade Setup.
Additional query words: 6.21 OEMsetup BUSETUP SETUP err msg
======================================================================
Keywords :
Technology : kbMSDOSSearch kbMSDOS621
Version : MS-DOS:6.21
=============================================================================