Microsoft KB Archive/165710

= Creating an Emergency Repair Disk Fails - Disk Unusable =

Article ID: 165710

Article Last Modified on 11/1/2006

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APPLIES TO


 * Microsoft Windows NT Workstation 3.5
 * Microsoft Windows NT Workstation 3.51
 * Microsoft Windows NT Workstation 4.0 Developer Edition
 * Microsoft Windows NT Server 3.5
 * Microsoft Windows NT Server 3.51
 * Microsoft Windows NT Server 4.0 Standard Edition

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This article was previously published under Q165710



SYMPTOMS
When you use the Create Repair Disk option of the Repair Disk Utility you can receive the following error:

An unknown error has occurred reading from or writing to the disk.

The disk is possibly unusable.



CAUSE
This error can be caused by having the disk drive in use and locked by a command prompt, Windows NT Explorer, Windows NT File Manager, or a file Save/Open dialog box. When the disk drive is locked, the Repair Disk utility cannot format the disk.



RESOLUTION
Close the window that has the floppy drive locked.

Additional query words: diskette fail doesn't work unexpected

Keywords: kbenv kberrmsg kbprb kbsetup KB165710

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