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Error message when 64-bit versions of ADPREP fail to execute when they run on 32-bit versions of Windows: “ADPREP.EXE is valid, but is for a machine time other than the current machine”Article ID: 919151 - View products that this article applies to. On This PageSYMPTOMSYou try to run ADPREP.EXE from the Windows Server 2003 R2 x64 installation media, but this is unsuccessful, and you receive one of the following error messages: Error message 1 ADPREP.EXE is valid, but is for a machine type other than the current machine Error message 2 ADPREP.EXE is not a valid win32 application CAUSEThe problem occurs when you try to run a 64-bit version of ADPREP from the x64 Windows Server installation media on a computer that is running a 32-bit or x86 version of the Windows operating system. The problem can occur for either of the following reasons:
RESOLUTIONThe hotfix for KB919151 includes the x86-, x64-, and IA-64-compatible versions of ADPREP together with the supporting Sch*.ldf files for the Windows Server 2003 R2 operating system. Run the version of ADPREP that is included with KB919151 and that is compatible with the processor architecture of the current FSMO role holders in your Active Directory forest. 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 this specific problem. 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 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.
(http://support.microsoft.com/contactus/?ws=support)
PrerequisitesNo prerequisites are required.Restart requirementYou must restart the computer after you apply this hotfix.Hotfix replacement informationThis hotfix does not replace any other hotfixes.File informationThe English version of this hotfix has the file attributes (or later file attributes) that are listed in the following table. The dates and times for these files are listed in Coordinated Universal Time (UTC). When you view the file information, it is converted to local time. To find the difference between UTC and local time, use the Time Zone tab in the Date and Time item in Control Panel.Collapse this table
STATUSMicrosoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section. MORE INFORMATION
For more information, click the following article number to view the article in the Microsoft Knowledge Base:
824684
(http://support.microsoft.com/kb/824684/
)
Description of the standard terminology that is used to describe Microsoft software updates
PropertiesArticle ID: 919151 - Last Review: October 9, 2011 - Revision: 4.0 APPLIES TO
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