DOCUMENT:Q264644  08-AUG-2001  [winnt]
TITLE   :"The Drive Cannot Be Locked for Exclusive Use" Message When Dele
PRODUCT :Microsoft Windows NT
PROD/VER:winnt:4.0
OPER/SYS:
KEYWORDS:

======================================================================
-------------------------------------------------------------------------------
The information in this article applies to:

 - Microsoft Windows NT Server version 4.0 
-------------------------------------------------------------------------------

SYMPTOMS
========

When you attempt to delete a partition from a broken mirror set, you may receive
the following error message:

   The drive cannot be locked for exclusive use. Please check to see if some
   applications are currently accessing the drive. If so, close them and try
   again.

WORKAROUND
==========

As a workaround, click the Do not assign a drive letter option in Disk
Administrator, and then delete the partition. Replace the failed drive and
recreate the mirror set.

MORE INFORMATION
================

To work around this behavior, follow these steps:

1. Start Disk Administrator.

2. Select the broken partition of the mirror set.

3. On the Tools menu, select Assign Drive Letter.

4. In the Assign Drive Letter dialog box, click Do not assign a drive letter and
   then click OK.

5. On the Partition menu, select Commit Changes Now.

6. Reboot the computer.

7. Start Disk Administrator, and then delete the partition of the broken mirror
   set.

8. Replace the failed drive, and recreate the mirror set.

Additional query words:

======================================================================
Keywords          :  
Technology        : kbWinNTsearch kbWinNT400search kbWinNTSsearch kbWinNTS400search kbWinNTS400
Version           : winnt: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.