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EmailArticle ID: 2534111 - Last Review: May 10, 2011 - Revision: 5.0 "Computer name cannot contain only numbers" error message when you install Windows 7 by using Windows 7 SP1 integrated installation media
On This PageSYMPTOMSConsider the following scenario:
Computer name cannot contain only numbers, may not be identical with the user name and cannot contain spaces. Retype the name of the computer. A computer name that contains non-ASCII characters may be entered during the OOBE Wizard in one of the following situations:
RESOLUTIONThe hotfix package is recommended for OEMs and enterprises that build Windows 7 installation images. If you are a user who experiences this issue, click here to view the methods that are described in the "Workaround" section. Hotfix informationA supported hotfix is available from Microsoft. However, this hotfix is intended to correct only the problem that is described in this article. Apply this hotfix only to systems that are experiencing the problem described in this article. This hotfix might receive additional testing. Therefore, if you are not severely affected by this problem, we recommend that you wait for the next software update that contains this hotfix.If the hotfix is available for download, there is a "Hotfix download available" section at the top of this Knowledge Base article. If this section does not appear, contact Microsoft Customer Service and Support to obtain the hotfix. Note If additional issues occur or if any troubleshooting is required, you might have to create a separate service request. The usual support costs will apply to additional support questions and issues that do not qualify for this specific hotfix. For a complete list of Microsoft Customer Service and Support telephone numbers or to create a separate service request, visit the following Microsoft Web site: http://support.microsoft.com/contactus/?ws=support
(http://support.microsoft.com/contactus/?ws=support)
Note The "Hotfix download available" form displays the languages for which the hotfix is available. If you do not see your language, it is because a hotfix is not available for that language.PrerequisitesTo apply this hotfix, you must have a Windows 7 installation image that is integrated with Windows 7 Service Pack 1 (SP1).For more information about how to obtain a Windows 7 or a Windows Server 2008 R2 service pack, click the following article number to view the article in the Microsoft Knowledge Base: 976932
(http://support.microsoft.com/kb/976932/
)
Information about Service Pack 1 for Windows 7 and for Windows Server 2008 R2
Registry informationTo use the hotfix in this package, you do not have to make any changes to the registry.Restart requirementYou do not have to restart the computer after you apply this hotfix.Hotfix replacement informationThis hotfix does not replace a previously released hotfix.File informationThe global version of this hotfix installs files that have the attributes that are listed in the following tables. The dates and the times for these files are listed in Coordinated Universal Time (UTC). The dates and the times for these files on your local computer are displayed in your local time together with your current daylight saving time (DST) bias. Additionally, the dates and the times may change when you perform certain operations on the files.Windows 7 file information notes
For all supported x86-based versions of Windows 7Collapse this table
For all supported x64-based versions of Windows 7Collapse this table
WORKAROUNDTo work around this issue, use one of the following methods. Method 1 (recommended for general users)Manually delete any non-ASCII characters from the computer name. This includes strings that are generated automatically. The computer name may contain letters (from "a" through "z" and from "A" through "Z"), numbers (from 0 through 9), and hyphens ("-"). See the "More Information" section for a list of accepted characters.To manually delete non-ASCII characters from the computer name, you may have to switch to an English keyboard setting. The English keyboard setting is available for all language settings and locales. If the English keyboard setting is not selected by default, you can select it by using the Language bar. For more information about the Language bar, visit the following Microsoft website: General information about the Language bar
(http://windows.microsoft.com/en-US/windows7/The-Language-bar-overview)
You can revert the computer name to a name that contains non-ASCII characters after the installation process is complete. For more information about how to change the computer name, visit the following Microsoft website:How to change your computer name
(http://windows.microsoft.com/en-US/windows7/Change-your-computer-name)
Method 2 (recommended for advanced users only)Restart the OOBE Wizard by using audit mode and Sysprep. You can enter audit mode by pressing CTRL+Shift+F3 at the computer name screen in the OOBE Wizard. For more information about how to enter audit mode, visit the following Microsoft TechNet website:How to customize Windows in audit mode
(http://technet.microsoft.com/en-us/library/dd799305(WS.10).aspx)
After the computer restarts, start the OOBE Wizard by running the SYSPREP /OOBE command. Method 3 (recommended for OEM system builders and enterprises only)Build the Windows installation image by using the Sysprep tool. There are legal requirements for OEM system builders regarding the installation of Windows 7. For example, the Sysprep tool must run when an end-user first uses the computer. This makes sure that Windows Welcome runs. Windows installation images that are built by using the Sysprep tool are not affected by this issue. For more information about Windows 7 system builder, visit the following Microsoft website:Windows 7 system builder quick start
(http://oem.microsoft.com/public/worldwide/windows_7/system_builder_quick_start.pdf)
Method 4 (we recommend this method for OEM system builders and enterprises only)Force the OOBE Wizard to display the Country/Region/Keyboard settings page by changing the OOBE.xml file. To do this, set the hideRegionalSettings registry subkey to false. For more information about Oobe.xml settings, visit the following Microsoft TechNet website:General information about Oobe.xml settings
(http://technet.microsoft.com/en-us/library/dd744353%28WS.10%29.aspx)
STATUSMicrosoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section. MORE INFORMATIONAccepted character setUnicode Character 0x002D - 0x0030 0 0x0031 1 0x0032 2 0x0033 3 0x0034 4 0x0035 5 0x0036 6 0x0037 7 0x0038 8 0x0039 9 0x0041 A 0x0042 B 0x0043 C 0x0044 D 0x0045 E 0x0046 F 0x0047 G 0x0048 H 0x0049 I 0x004A J 0x004B K 0x004C L 0x004D M 0x004E N 0x004F O 0x0050 P 0x0051 Q 0x0052 R 0x0053 S 0x0054 T 0x0055 U 0x0056 V 0x0057 W 0x0058 X 0x0059 Y 0x005A Z 0x005F _ 0x0061 a 0x0062 b 0x0063 c 0x0064 d 0x0065 e 0x0066 f 0x0067 g 0x0068 h 0x0069 i 0x006A j 0x006B k 0x006C l 0x006D m 0x006E n 0x006F o 0x0070 p 0x0071 q 0x0072 r 0x0073 s 0x0074 t 0x0075 u 0x0076 v 0x0077 w 0x0078 x 0x0079 y 0x007A z 0x00A1 ¡ 0x00B5 µ 0x00C4 Ä 0x00C5 Å 0x00C6 Æ 0x00C7 Ç 0x00C9 É 0x00D1 Ñ 0x00D6 Ö 0x00DC Ü 0x00DF ß 0x00E4 ä 0x00E5 å 0x00E6 æ 0x00E7 ç 0x00E9 é 0x00F1 ñ 0x00F6 ö 0x00FC ü 824684
(http://support.microsoft.com/kb/824684/
)
Description of the standard terminology that is used to describe Microsoft software updates
Additional file informationAdditional file information for Windows 7Additional files for all supported x86-based versions of Windows 7Collapse this table
Additional files for all supported x64-based versions of Windows 7Collapse this table
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