DOCUMENT:Q270580 11-JUN-2002 [winnt] TITLE :"Unable to Create Mapping" Error Message Re-creating DFS Share PRODUCT :Microsoft Windows NT PROD/VER:winnt:4.0,4.0 SP1,4.0 SP2,4.0 SP3,4.0 SP4,4.0 SP5,4.0 SP6,4.0 SP6a OPER/SYS: KEYWORDS:kberrmsg kbnetwork kbtool ====================================================================== ------------------------------------------------------------------------------- The information in this article applies to: - Microsoft Windows NT Server versions 4.0, 4.0 SP1, 4.0 SP2, 4.0 SP3, 4.0 SP4, 4.0 SP5, 4.0 SP6, 4.0 SP6a ------------------------------------------------------------------------------- IMPORTANT: This article contains information about modifying the registry. Before you modify the registry, make sure to back it up and make sure that you understand how to restore the registry if a problem occurs. For information about how to back up, restore, and edit the registry, click the following article number to view the article in the Microsoft Knowledge Base: Q256986 Description of the Microsoft Windows Registry SYMPTOMS ======== When you try to re-create a DFS share, you may receive the following error message: Unable to create a mapping However, you are still able to create new DFS shares after you receive the error message. CAUSE ===== This issue can occur if the DFS share is damaged. Note that when this occurs, you may not be able to delete the damaged share. RESOLUTION ========== To resolve this issue: 1. Log on to the Windows NT Server-based computer that hosts the DFS root as an administrator. 2. Click Start, point to Settings, and then click Control Panel. 3. Double-click Services. 4. Click DFS Service, and then click Startup. 5. Click Disabled, and then click OK. 6. Quit all programs, and then restart the server. 7. Log on to the server as an administrator. 8. Delete the damaged DFS share. 9. Repeat steps 2-5, but enable the DFS service in step 5. 10. Restart the server, and then log on as an administrator. 11. Re-create the DFS share. MORE INFORMATION ================ WARNING: If you use Registry Editor incorrectly, you may cause serious problems that may require you to reinstall your operating system. Microsoft cannot guarantee that you can solve problems that result from using Registry Editor incorrectly. Use Registry Editor at your own risk. DFS share information is recorded in the following registry key: HKEY_LOCAL_MACHINE\System\CurrentControlSet\Services\DFSDriver\LocalVolumes If needed, you can delete orphaned entries. Additional query words: ====================================================================== Keywords : kberrmsg kbnetwork kbtool Technology : kbWinNTsearch kbWinNT400search kbWinNTSsearch kbWinNTS400sp6 kbWinNTS400sp5 kbWinNTS400sp4 kbWinNTS400sp3 kbWinNTS400sp2 kbWinNTS400sp1 kbWinNTS400search kbWinNTS400 Version : winnt:4.0,4.0 SP1,4.0 SP2,4.0 SP3,4.0 SP4,4.0 SP5,4.0 SP6,4.0 SP6a 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 2002.