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This article describes the MSB3305 error code.
Message text
MSB3305: Processing COM reference 'value' from path 'value'.
Description
This warning is a generic notification of an issue with a COM reference. Some possible causes include:
- An invalid type library (TLB file), which might be anything from a corrupt TLB file to a version mismatch.
- Types in a TLB that can't be converted to .NET types. The unconverted types are passed as pointers, which requires the use of unsafe code.
Resolution
The standard output message text is followed by additional information from the operating system. Look to the additional information provided to determine the cause of the problem.
As a temporary measure, you can silence the warning by adding the following value to your project file:
<!-- Comment out or set to 'false' to get warnings about TLB conversion -->
<ResolveComReferenceSilent>true</ResolveComReferenceSilent>
Warning
We don't recommend suppressing MSBuild diagnostic information. Eliminating the warning doesn't address the underlying problem. Using the ResolveComReferenceSilent property to hide the warning might also hide other COM reference warnings you don't intend to suppress.
For more information, see Add references to type libraries.
Related content
Applies to
All versions of MSBuild