Article ID: 927665 - Last Review: September 9, 2010 - Revision: 3.0

The Msdia80.dll file is installed in the root folder of the boot drive when you install the Visual C++ 2005 Redistributable Package by using the Vcredist_x64.exe file or the Vcredist_ia64.exe file

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SYMPTOMS

You have a computer that is running a 64-bit operating system. You install the Microsoft Visual C++ 2005 Redistributable Package on this computer by using the Vcredist_x64.exe file or the Vcredist_ia64.exe file. When you do this, the Msdia80.dll file is installed in the root folder of the boot drive.

Note The correct path of the Msdia80.dll file is Drive:\Program Files\Common Files\Microsoft Shared\VC.

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RESOLUTION

Important This issue applies to a product that is no longer supported.

To resolve this issue, install the Microsoft Visual C++ 2005 Service Pack 1 Redistributable Package ATL Security Update on the computer that is experiencing this issue.

For more information about the Microsoft Visual C++ 2005 Service Pack 1 Redistributable Package ATL Security Update for your 64-bit operating system, visit the following Microsoft Download Center website:

Microsoft Visual C++ 2005 Service Pack 1 Redistributable Package ATL Security Update
http://www.microsoft.com/downloads/details.aspx?displaylang=en&FamilyID=766a6af7-ec73-40ff-b072-9112bab119c2 (http://www.microsoft.com/downloads/details.aspx?displaylang=en&FamilyID=766a6af7-ec73-40ff-b072-9112bab119c2)

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WORKAROUND

To temporarily work around this issue, move the Msdia80.dll file to the Drive:\Program Files\Common Files\Microsoft Shared\VC folder. Then, type the following command at a command prompt to register the Msdia80.dll file:

regsvr32 driver:\Program Files\Common Files\Microsoft Shared\VC\msdia80.dll

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