Microsoft KB Archive/908268

= You receive a build error message when you use the Assembly Registration tool (Regasm.exe) in Visual C# =

Article ID: 908268

Article Last Modified on 5/11/2007

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APPLIES TO


 * Microsoft Visual Studio 2005 Standard Edition
 * Microsoft Visual Studio 2005 Professional Edition
 * Microsoft Visual Studio 2005 Express Edition
 * Microsoft Visual Studio .NET 2003 Professional Edition
 * Microsoft Visual Studio .NET 2003 Enterprise Architect
 * Microsoft Visual Studio .NET 2003 Enterprise Developer
 * Microsoft Visual Studio .NET 2003 Academic Edition

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SYMPTOMS
When you use the Assembly Registration tool (Regasm.exe) in a pre-build event or in a post-build event in Microsoft Visual C#, you receive one of the following build error messages in the Output window:

Message 1

Performing Post-Build Event...

'regasm' is not recognized as an internal or external command,

operable program or batch file. Project error: A tool returned an error code from the build event

C:\WINDOWS\Microsoft.NET\Framework\v2.0.50727\Microsoft.Common.targets(814,9): error MSB3073: The command &quot;RegAsm.exe &quot;[Path]\MyClassLib.dll&quot;&quot; exited with code 9009.

Post-Build Event failed

Message 2

Performing Pre-Build Event...

'regasm' is not recognized as an internal or external command,

operable program or batch file.

Project error: A tool returned an error code from the build event

C:\WINDOWS\Microsoft.NET\Framework\v2.0.50727\Microsoft.Common.targets(814,9): error MSB3073: The command &quot;RegAsm.exe &quot;[Path]\MyClassLib.dll&quot;&quot; exited with code 9009.

Pre-Build Event failed



RESOLUTION
To resolve this problem, specify the complete path of the Regasm.exe file that is located in the Microsoft .NET Framework directory.

For example, if you are using Microsoft Visual Studio .NET 2003, use the following line of code. C:\WINDOWS\Microsoft.NET\Framework\v1.1.4322\RegAsm.exe [path of dll]\MyClassLib.dll If you are using Microsoft Visual Studio 2005, use the following line of code. C:\WINDOWS\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe [path of dll]\MyClassLib.dll



STATUS
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the &quot;Applies to&quot; section.



MORE INFORMATION
For more information, visit the following Microsoft Developer Network (MSDN) Web sites:

Assembly Registration tool (Regasm.exe)

http://msdn2.microsoft.com/en-us/library/tzat5yw6(vs.71).aspx

Build Events, Common Properties,  Property Pages dialog box

http://msdn2.microsoft.com/en-us/library/aa288397(VS.71).aspx

For more information, click the following article number to view the article in the Microsoft Knowledge Base:

810230 How to implement build events in Visual C# .NET

Keywords: kbprogramming kbbug kbtshoot kbprb KB908268

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