Microsoft KB Archive/264644

= &quot;The Drive Cannot Be Locked for Exclusive Use&quot; Message When Deleting a Partition in a Broken Mirror Set =

Article ID: 264644

Article Last Modified on 11/1/2006

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APPLIES TO


 * Microsoft Windows NT Server 4.0 Standard Edition

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This article was previously published under Q264644



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.

Keywords: kbprb KB264644

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