MS-DOS 6.x Backup Err Msg: "...Catalog File Is Corrupt" (105927)
The information in this article applies to:
• Microsoft MS-DOS operating system 6.0
• Microsoft MS-DOS operating system 6.2
• Microsoft MS-DOS operating system 6.22
This article was previously published under Q105927
When you select and back up 1,023 or 2,047 files (not including the catalog
file), you receive the following error message from Microsoft Backup:
This problem does not occur in Microsoft Backup for Windows.
To avoid this problem, select more or fewer than 1,023 or 2,047 files (not
including the catalog file)--the problem occurs only when you have exactly
1,023 or 2047 files selected.
NOTE: After you select the files to back up and choose OK, the status
screen at the main backup menu states how many files were selected for
backup. This number includes the catalog file. Therefore, in the situation
described above, it would state that 1,024 or 2,048 files were selected for
If you select and back up 1,024 or 2,048 files (not including the catalog
file), you receive the following error message when you try and restore
To work around this problem, restore 1,023 or 2,047 files and then
restore the additional file.
Microsoft has confirmed this to be a problem in Microsoft Backup for MS-DOS
versions 6.0 and 6.2. We are researching this problem and will post new
information here in the Microsoft Knowledge Base as it becomes available.
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