Article ID: 242168
Article Last Modified on 3/2/2007
APPLIES TO
- Microsoft Windows 2000 Server
- Microsoft Windows 2000 Advanced Server
- Microsoft Windows 2000 Professional Edition
- Microsoft Windows 2000 Datacenter Server
This article was previously published under Q242168
SYMPTOMS
After you upgrade a basic disk containing an Extended Industry Standard Architecture (EISA) partition to a dynamic disk, the partition is not displayed in the proper location and cannot be managed in the Disk Management snap-in (LDM) in Microsoft Management Console (MMC).
When an EISA partition resides on a dynamic disk it is shifted by Disk Management to partition two, there is no drive letter associated with it, and it does not appear as a typical Simple volume. The only command available when you right-click the EISA partition is the Help command. Other commands, such as Explore, Reformat, and Delete are not available, including the ability to mirror the EISA configuration partition.
The incorrect position of the EISA partition in Disk Management is an inconsequential side effect of the way LDM handles this type of partition.
STATUS
Microsoft has confirmed that this is a problem in the Microsoft products that are listed at the beginning of this article.
MORE INFORMATION
The EISA partition is usually the first partition on the physical disk. Disk Management shows the EISA partition in the proper position when it resides on a basic disk, allowing you to explore, delete, or reformat the EISA partition.
The EISA partition is protected by Disk Management from being damaged in any way when it resides on a dynamic disk. The EISA partition can be re-created only by using an Original Equipment Manufacturer (OEM) system EISA utility, not by using Windows 2000 Disk Management. Deleting and re-creating any partitions on dynamic disks outside of Windows 2000 could lead to data loss, system startup problems, or an inability to boot.
The incorrectly display of an EISA partition when it resides on a dynamic disk by Disk Management has no effect on the ability to boot from or use the partition if system maintenance is required.
If you want to delete the EISA partition, Microsoft recommends that you back up any existing volumes contained on the dynamic disk, and then use Windows 2000 Setup, the Recovery Console diskpart command, or other third-party disk-partitioning software to delete it. You cannot use Windows 2000 disk Management to delete the partition or revert the drive to a basic disk until all partitions are removed.
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Keywords: kbprb KB242168
