DOCUMENT:Q176014 10-AUG-2001 [winnt] TITLE :8.3 Short File Names not Retained after Tape Restore PRODUCT :Microsoft Windows NT PROD/VER:WinNT:3.5,3.51,4.0 OPER/SYS: KEYWORDS:kbtool ====================================================================== ------------------------------------------------------------------------------- The information in this article applies to: - Microsoft Windows NT Server versions 3.5, 3.51, 4.0 - Microsoft Windows NT Workstation versions 3.5, 3.51, 4.0 ------------------------------------------------------------------------------- SYMPTOMS ======== After you back up a volume that contains long file names with associated 8.3 short file names, the short file names that were previously associated with the long file names may not be retained after a restore operation. This may happen using the Windows NT backup program called Ntbackup or any third-party OEM backup software. Using the COPY or XCOPY command will result in the same behavior of not retaining short file names. Short file names are always created dynamically. This may cause certain applications to fail if they are looking for specific 8.3 short file names to be associated with long file name (LFN) files. CAUSE ===== NTBackup restores the files in alpha-numeric order and does not restore the short file name. The short file name is therefore recreated and may not be the same as the original. WORKAROUND ========== Adhere to a pure 8.3 short file naming convention if in a mixed environment of clients that are both capable and incapable of using long file names. That way the backup programs will be dealing strictly with 8.3 short file names and restore them correctly. Additional query words: short file name NTBackup ====================================================================== Keywords : kbtool Technology : kbWinNTsearch kbWinNTWsearch kbWinNTW400 kbWinNTW400search kbWinNT351search kbWinNT350search kbWinNT400search kbWinNTW350 kbWinNTW350search kbWinNTW351search kbWinNTW351 kbWinNTSsearch kbWinNTS400search kbWinNTS400 kbWinNTS351 kbWinNTS350 kbWinNTS351search kbWinNTS350search Version : WinNT:3.5,3.51,4.0 Issue type : kbprb ============================================================================= 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 2001.