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Microsoft KB Archive/104701

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Undelete Does Not Recover Files that Appear Recoverable PSS ID Number: Q104701 Article last modified on 09-30-1993 PSS database name: O_MSDOS



The information in this article applies to:
- Microsoft MS-DOS operating system version 6.0


If you run Microsoft Undelete from an MS-DOS command prompt, you may receive the following message

Delete Sentry control file contains 0 deleted files.

Deletion-tracking file not found.

MS-DOS directory contains <x> deleted files. Of those, <x> files may be recovered.

Using the Delete Sentry method.

No entries found.

where <x> is a number greater than zero.


This message indicates that although there are deleted files that can be recovered, Undelete could not find a directory entry for the files. This is caused by a CONTROL.FIL file from an inactive installation of Undelete Delete Sentry (UNDELETE /S), which interferes with the normal MS-DOS Undelete function.

If Delete Sentry was loaded and then later unloaded, it may leave behind a SENTRY directory containing the file CONTROL.FIL. After unloading Delete Sentry from memory, if you delete a file and then try to recover it by typing “undelete” (without the quotation marks) at the MS-DOS command prompt, Undelete may not give you the option to recover that file.


To work around this problem, you must type “undelete /dos” (without quotation marks) at the MS-DOS command prompt. This should allow you to recover the file.

If you do not plan to use the Delete Sentry method of deletion tracking, a permanent solution to this problem is to delete the SENTRY directory by typing “deltree x:” (without the quotation marks), where <x> is the drive that contains the SENTRY directory. Note that after doing this, you can no longer recover any files that were deleted while Delete Sentry was enabled.

Additional reference words: 6.00

Copyright Microsoft Corporation 1993.