DOCUMENT:Q104523 22-NOV-1999 [msdos] TITLE :Backup for MS-DOS Err Msg: CONTROL.FIL Cannot Be Read by DOS 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 ======== When you back up an entire hard disk drive using Microsoft Backup for MS-DOS (MSBACKUP.EXE), you may receive the following error message: CONTROL.FIL cannot be read by DOS. Use DOS CHKDSK to correct the problem, then retry backup. NOTE: This error does not occur if you are using Microsoft Backup for Windows (MWBACKUP.EXE). CAUSE ===== This error is generated if you are backing up the SENTRY directory while Delete Sentry is resident in memory. WORKAROUND ========== To work around this problem, do one of the following: - Remove UNDELETE from memory by typing "UNDELETE /U" (without the quotation marks), at the MS-DOS command prompt. -or- - Avoid backing up the SENTRY directory by not including this directory in the file-selection process in Backup. MORE INFORMATION ================ When this error appears, Backup gives you the options Continue (the default) and Cancel Backup. If you choose Continue, the remaining files are backed up. Choosing Cancel returns you to the first Backup screen. Additional query words: 6.00 6.20 6.22 undelete sentry ====================================================================== 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.