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Article ID: 973561 - Last Review: November 1, 2012 - Revision: 3.0

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Symptoms

On a computer that is running Windows 8, Windows 7, or Windows Vista, you cannot convert a basic disk into a dynamic disk. When you try to convert a basic disk, you receive an error message that resembles the following: 
The pack name is invalid

Cause

This issue may occur if the computer name contains double-byte characters, such as hanzi (Chinese), kanji (Japanese), or hanja (Korean).

Workaround

To work around this issue, use single-byte characters for the computer name.

To rename the computer, follow these steps:

In Windows 8

  1. Swipe in from the right edge of the screen, and then tap Search. Or, if you are using a mouse, point to the lower-right corner of the screen, and then click Search.
  2. Tap or click Settings, and then type rename this computer in the search box.
  3. Tap or click the displayed Rename this computer icon.
  4. On the Computer Name tab, tap or click Change.
  5. Type a new name under Computer name, and then tap or click OK.

    Note Do not type double-byte characters.

In Windows 7 and Windows Vista

  1. Click Start
    Collapse this imageExpand this image
    Start button
    , right-click Computer, and then click Properties.
  2. Under Computer name, domain, and workgroup settings, click Change settings.
  3. On the Computer Name tab, click Change.
  4. Type a new name under Computer name, and then click OK.

    Note Do not type double-byte characters.

Status

Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.

Applies to
  • Windows 8
  • Windows 8 Enterprise
  • Windows 8 Pro
  • Windows 7 Enterprise
  • Windows 7 Home Basic
  • Windows 7 Home Premium
  • Windows 7 Professional
  • Windows 7 Starter
  • Windows 7 Ultimate
  • Windows Vista Business
  • Windows Vista Business 64-bit Edition
  • Windows Vista Enterprise
  • Windows Vista Home Basic
  • Windows Vista Home Premium
  • Windows Vista Starter
  • Windows Vista Ultimate
Keywords: 
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