Microsoft KB Archive/141190

= Disk Administrator Stops When Zip Drive is Present =

Article ID: 141190

Article Last Modified on 10/31/2006

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APPLIES TO


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

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This article was previously published under Q141190



SYMPTOMS
When entering Disk Administrator, Dr. Watson appears and notes that there has been an error in the application and that it will be closed. This occurs when a zip drive is present and while the progress bar titled "Disk Administrator is Initializing" is present.



CAUSE
A zip drive is the only (or first) device on the SCSI controller with the lowest base I/O address, making it the controller that is queried first by Disk Administrator. The failure occurs only if there is not a disk in the zip drive. Otherwise, the media will be properly reported as Drive 0, with its size and appropriate logical drive letter.



RESOLUTION
There are a few solutions:


 * Always insert a disk into the zip drive before launching Disk Administrator.
 * Connect the zip drive to the SCSI controller that the system's hard disk drives are connected to and remove the secondary controller.
 * If possible, set the I/O address of the secondary controller to be higher (in hexadecimal) than the address of the controller with the system's hard disk drive(s).



STATUS
Microsoft has confirmed this to be a problem in Windows NT version 4.0. We are researching this problem and will post new information here as it becomes available.



MORE INFORMATION
This occurs when two SCSI controllers are present in a system. PCI-based SCSI controllers are given very high I/O addresses (such as FC00 - FCFF), so any additional ISA or EISA SCSI controller present in the system will have the lower address. When Disk Administrator cannot find the media for this first device, an error occurs.

Additional query words: prodnt

Keywords: kbhardware KB141190

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