CA0505
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 deprecated property will be ignored because the superceding property is defined.
Warning CA505 is generated when both the deprecated and superseding code analysis properties have values in a project or build configuration file. To resolve this issue, remove the deprecated property.