"Internal Error - Disk Group Exists and Is Imported" Error Message While Importing Foreign Disk

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Article ID: 260113 - View products that this article applies to.
This article was previously published under Q260113
IMPORTANT: This article contains information about modifying the registry. Before you modify the registry, make sure to back it up and make sure that you understand how to restore the registry if a problem occurs. For information about how to back up, restore, and edit the registry, click the following article number to view the article in the Microsoft Knowledge Base:
256986 Description of the Microsoft Windows Registry
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SYMPTOMS

When you use Windows 2000 Disk Management to import dynamic disks that are displayed as foreign disks, you may receive the following error message:
Internal error - disk group exists and is imported
After you accept the error message, the dynamic disks that you are importing are still displayed as foreign disks.

CAUSE

This behavior can occur if you are trying to import foreign disks that use the same disk group name as that of the current computer's disk group.

For additional information about disk groups, click the article number below to view the article in the Microsoft Knowledge Base:
222189 Description of Disk Groups in Windows 2000 Disk Management

RESOLUTION

WARNING: If you use Registry Editor incorrectly, you may cause serious problems that may require you to reinstall your operating system. Microsoft cannot guarantee that you can solve problems that result from using Registry Editor incorrectly. Use Registry Editor at your own risk.

If your system/boot drive is still a basic disk, follow these steps to correct this condition:
  1. Start Registry Editor (Regedt32.exe).
  2. Click the following registry key:
    HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\dmio\Boot Info
  3. Under the Boot Info key, delete the "Primary Disk Group" key.
  4. Quit Registry Editor, and then reboot the computer.
  5. After the reboot, try to import the foreign disks again.
If your system/boot drive is a dynamic disk, move the foreign disks to another Windows 2000-based computer that has a different disk group name to import them.

STATUS

Microsoft has confirmed that this is a problem in the Microsoft products that are listed at the beginning of this article.

Properties

Article ID: 260113 - Last Review: March 1, 2007 - Revision: 3.2
APPLIES TO
  • Microsoft Windows 2000 Server
  • Microsoft Windows 2000 Advanced Server
  • Microsoft Windows 2000 Professional Edition
Keywords: 
kbdynamic kberrmsg kbprb KB260113

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