Windows C++ parallel build failure

[pepone]

Seems like there is a missing dependency, IceGridLib was trying to use slice2cpp before it was built.

Build FAILED.

       "C:\Users\jose\source\repos\3.8\ice-main\cpp\msbuild\ice.proj" (default target) (1) ->
       "C:\Users\jose\source\repos\3.8\ice-main\cpp\msbuild\ice.sln" (default target) (2) ->
       "C:\Users\jose\source\repos\3.8\ice-main\cpp\src\IceGridLib\msbuild\icegrid\icegrid.vcxproj.metaproj" (default target) (16) ->
       "C:\Users\jose\source\repos\3.8\ice-main\cpp\src\IceGridLib\msbuild\icegrid\icegrid.vcxproj" (default target) (58) ->
       (SliceCompile target) ->
         C:\Users\jose\source\repos\3.8\ice-main\cpp\msbuild\packages\zeroc.icebuilder.msbuild.5.0.9\build\zeroc.icebuilder.msbuild.cpp.targets(85,9): error MSB6003: The specified task executable "slice2cpp.exe" could not be run. The process cannot access the file because it is being used by another process. [C:\Users\jose\source\repo
       s\3.8\ice-main\cpp\src\IceGridLib\msbuild\icegrid\icegrid.vcxproj]

    0 Warning(s)
    1 Error(s)

Time Elapsed 00:02:46.13