Compile fails with NU1504

[batzen]

Trying to use build.cmd -c Release causes NU1504 after a clean checkout of main.

C:\DEV\OSS_Own\dotnet\wpf\src\Microsoft.DotNet.Wpf\src\PresentationUI\PresentationUI.csproj : error NU1504: Duplicate '
PackageReference' items found. Remove the duplicate items or use the Update functionality to ensure a consistent restor
e behavior. The duplicate 'PackageReference' items are: Microsoft.Private.Winforms 7.0.0-preview.6.22303.2, Microsoft.P
rivate.Winforms 7.0.0-preview.6.22303.2.
C:\DEV\OSS_Own\dotnet\wpf\src\Microsoft.DotNet.Wpf\src\PresentationUI\PresentationUI.csproj : error NU1504: Duplicate '
PackageReference' items found. Remove the duplicate items or use the Update functionality to ensure a consistent restor
e behavior. The duplicate 'PackageReference' items are: Microsoft.Private.Winforms 7.0.0-preview.6.22303.2, Microsoft.P
rivate.Winforms 7.0.0-preview.6.22303.2.
C:\DEV\OSS_Own\dotnet\wpf\artifacts\obj\DirectWriteForwarder\Release\net7.0\CppCliSupport\CppClrSupport_DirectWriteForw
arder.csproj : error NU1504: Duplicate 'PackageReference' items found. Remove the duplicate items or use the Update fun
ctionality to ensure a consistent restore behavior. The duplicate 'PackageReference' items are: Microsoft.NETCore.Platf
orms 7.0.0-preview.6.22302.9, Microsoft.NETCore.Platforms 7.0.0-preview.6.22302.9.
C:\DEV\OSS_Own\dotnet\wpf\src\Microsoft.DotNet.Wpf\src\PresentationUI\PresentationUI.csproj : error NU1504: Duplicate '
PackageReference' items found. Remove the duplicate items or use the Update functionality to ensure a consistent restor
e behavior. The duplicate 'PackageReference' items are: Microsoft.Private.Winforms 7.0.0-preview.6.22303.2, Microsoft.P
rivate.Winforms 7.0.0-preview.6.22303.2.
C:\DEV\OSS_Own\dotnet\wpf\artifacts\obj\System.Printing\Release\net7.0\CppCliSupport\CppClrSupport_System.Printing.cspr
oj : error NU1504: Duplicate 'PackageReference' items found. Remove the duplicate items or use the Update functionality
 to ensure a consistent restore behavior. The duplicate 'PackageReference' items are: Microsoft.NETCore.Platforms 7.0.0
-preview.6.22302.9, Microsoft.NETCore.Platforms 7.0.0-preview.6.22302.9.
    0 Warning(s)
    5 Error(s)

[ThomasGoulet73]

@batzen I opened #6648 which fixes part of this issue (Build error for PresentationUI), I'm looking at the other build errors which looks like it affects C++/CLI projects.

[dipeshmsft]

@ThomasGoulet73, we have started looking at this failure and preparing a fix for it.

[dipeshmsft]

Added a PR #6698 that fixes the rest of the issues in the C++/CLI project.

[dipeshmsft]

Closing this issue as the PRs fixing the issue are merged.