CA0503
Applies to: 
Visual Studio 
Visual Studio for Mac
Note
This article applies to Visual Studio 2017. If you're looking for the latest Visual Studio documentation, see Visual Studio documentation. We recommend upgrading to the latest version of Visual Studio. Download it here
The property is deprecated. Use the superceding property
Warning CA0503 is generated when a deprecated code analysis property contains a value in the build or project configuration file. To resolve this warning, use the specified property that supersedes it.