When you install the Administration Tools Pack on a computer that is
running Windows XP Professional x64 Edition, the Active Directory Users
and Computers MMC snap-in file (Dsa.msc) is installed in the
%windir%\Syswow64 folder. Additionally, the computer's file system maps
the Active Directory Users and Computers MMC snap-in to the following
path:
DriveLetter:\%windir%\Syswow64\Dsa.mscHowever,
the Active Directory Domains and Trust MMC snap-in incorrectly
specifies the path of the Active Directory Users and Computers MMC
snap-in as follows:
DriveLetter:\%windir%\System32\Dsa.mscWhen
the computer's file system tries to locate the Dsa.msc file from within
the Active Directory Domains and Trust MMC snap-in, Mmc.exe is run.
Mmc.exe is run because the Dsa.msc file is associated with Mmc.exe.
When Mmc.exe is run, it uses the following path to locate Dsa.msc:
DriveLetter:\%windir%\System32\Dsa.msc DomainPathAfter
the Mmc.exe command is run, the Active Directory Domains and Trust MMC
snap-in tries to locate the Dsa.msc file. Because the Dsa.msc file does
not exist in the %windir%\System32 folder, the error message that is
mentioned in the "Symptoms" section is generated.
To resolve this problem, manually copy the Dsa.msc file from the %windir%\Syswow64 folder to the %windir%\System32 folder.
Your hardware manufacturer provides technical support and assistance
for Microsoft Windows x64 editions. Your hardware manufacturer provides
support because a Windows x64 edition was included with your hardware.
Your hardware manufacturer might have customized the Windows x64
edition installation with unique components. Unique components might
include specific device drivers or might include optional settings to
maximize the performance of the hardware. Microsoft will provide
reasonable-effort assistance if you need technical help with your
Windows x64 edition. However, you might have to contact your
manufacturer directly. Your manufacturer is best qualified to support
the software that your manufacturer installed on the hardware.
For product information about Microsoft Windows XP Professional x64 Edition, visit the following Microsoft Web site:
http://www.microsoft.com/windowsxp/64bit/default.mspx
(http://www.microsoft.com/windowsxp/64bit/default.mspx)
For product information about Microsoft Windows Server 2003 x64 editions, visit the following Microsoft Web site:
http://www.microsoft.com/windowsserver2003/64bit/x64/editions.mspx
Hi there I am a new expert with fixya,
Can you tell me where you are with the problem now and what have you tried since your post not being able to open active directory users and computers?
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