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

View products that this article applies to.

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 "RegAsm.exe "[Path]\MyClassLib.dll"" 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 "RegAsm.exe "[Path]\MyClassLib.dll"" exited with code 9009.

Pre-Build Event failed

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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

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STATUS

Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.

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

Build Events, Common Properties, <Projectname> Property Pages dialog box
http://msdn2.microsoft.com/en-us/library/aa288397(VS.71).aspx (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 (http://support.microsoft.com/kb/810230/ ) How to implement build events in Visual C# .NET

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