پیغام خطا در هنگام مهاجرت از win 2003 R2 به win 2008 r2

در هنگام ارتقاء با این پیغام روبرو می شوم:
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The image file C:\adprep\adprep.exe is valid, but is for a machine type other th
an the current machine.

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مشخصات سیستم به صورت می باشد

[LEFT]OS Name Microsoft(R) Windows(R) Server 2003, Enterprise Edition
Version 5.2.3790 Service Pack 2 Build 3790
Other OS Description Not Available
OS Manufacturer Microsoft Corporation
System Type X86-based PC
Processor x86 Family 6 Model 30 Stepping 5 GenuineIntel ~2659 Mhz
BIOS Version/Date Phoenix Technologies LTD 6.00, 7/2/2012
SMBIOS Version 2.4
Windows Directory C:\WINDOWS
System Directory C:\WINDOWS\system32
Boot Device \Device\HarddiskVolume
Hardware Abstraction Layer Version = "5.2.3790.3959 (srv03_sp2_rtm.070216-1710)"
Time Zone Iran Standard Time
Available Physical Memory 3.65 GB
Total Virtual Memory 5.34 GB
Available Virtual Memory 5.09 GB
Page File Space 1.50 GB

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طبق جستجوی که کردم به این نتیجه رسیم که چون معماری ویندوز X86 می باشد. این پیغام را میدهد.
با این حال من چه راه حلی دارم که بتوانم ویندوز را ارتقاء بدهم. بدون پاک کردن کل ویندوز و نصب مجدد WINDOWS 2008 و داستان نصب اکتیو دایرکتوری و غیره؟

سلام
With the exception of Windows Server 2008 for Itanium-Based Systems, cross-architecture upgrades (32-bit to x64-bit or the reverse) are not supported.

[QUOTE=judon3t;384236]سلام
With the exception of Windows Server 2008 for Itanium-Based Systems, cross-architecture upgrades (32-bit to x64-bit or the reverse) are not supported.[/QUOTE]

با استفاده از adperep32 قسمت اول حل کردم
اما برای adprep32 / DOMAINPREP با این پیغام روبرو شدم
[LEFT]C:\adprep>adprep32 /DOMAINPREP
Running domainprep ...


Adprep successfully updated the domain-wide information.



The new cross domain planning functionality for Group Policy, RSOP Planning
Mode, requires file system and Active Directory Domain Services permissions
to be updated for existing Group Policy Objects (GPOs). You can enable this
functionality at any time by running "adprep.exe /domainprep /gpprep" on the
Active Directory Domain Controller that holds the infrastructure operations
master role
This operation will cause all GPOs located in the policies folder of the
SYSVOL to be replicated once between the AD DCs in this domain
Microsoft recommends reading KB Q324392, particularly if you have a large
number of Group policy Objects
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