DOCUMENT:Q113511  21-NOV-1999  [msdos]
TITLE   :MSBACKUP Err Msg: Internal Error - Open Failure
PRODUCT :Microsoft Disk Operating System
PROD/VER:MS-DOS:6.0,6.2,6.22
OPER/SYS:
KEYWORDS:

======================================================================
-------------------------------------------------------------------------------
The information in this article applies to:

 - Microsoft MS-DOS operating system versions 6.0, 6.2, 6.22 
-------------------------------------------------------------------------------

SYMPTOMS
========

Microsoft Backup (MSBACKUP) returns following error message:

   INTERNAL ERROR Open failure: C:\<path>\MSBACKUP.LOG

CAUSE
=====

The error message may be the result of an incorrect environment setting. If the
MSDOSDATA variable is set to point to an invalid subdirectory, MSBACKUP may
display the above message. (The only available option is Exit Program.)

RESOLUTION
==========

Make sure that the correct syntax is used to set the MSDOSDATA variable in the
AUTOEXEC.BAT file and that a valid directory is selected. The syntax should be
as follows

      set MSDOSDATA=<drive>:\<directory>

For more information on the MSDOSDATA environment variable, query on the
following words in the Microsoft Knowledge Base:

   " msdosdata and backup " (without the quotation marks)

Additional query words: 6.20 6.00

======================================================================
Keywords          :  
Technology        : kbMSDOSSearch kbMSDOS622 kbMSDOS620 kbMSDOS600
Version           : MS-DOS:6.0,6.2,6.22

=============================================================================

THE INFORMATION PROVIDED IN THE MICROSOFT KNOWLEDGE BASE IS
PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND.  MICROSOFT DISCLAIMS
ALL WARRANTIES, EITHER EXPRESS OR IMPLIED, INCLUDING THE WARRANTIES
OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.  IN NO
EVENT SHALL MICROSOFT CORPORATION OR ITS SUPPLIERS BE LIABLE FOR
ANY DAMAGES WHATSOEVER INCLUDING DIRECT, INDIRECT, INCIDENTAL,
CONSEQUENTIAL, LOSS OF BUSINESS PROFITS OR SPECIAL DAMAGES, EVEN IF
MICROSOFT CORPORATION OR ITS SUPPLIERS HAVE BEEN ADVISED OF THE
POSSIBILITY OF SUCH DAMAGES.  SOME STATES DO NOT ALLOW THE EXCLUSION
OR LIMITATION OF LIABILITY FOR CONSEQUENTIAL OR INCIDENTAL DAMAGES
SO THE FOREGOING LIMITATION MAY NOT APPLY.

Copyright Microsoft Corporation 1999.