Fixing Msbuild Error msb3247 - Found conflicts between different versions of the same dependent assembly.
Set MsBuild Verbosity to find out which assemblies conflict:
http://msdn.microsoft.com/en-us/library/ms164311.aspx
msbuild.exe .\Compile.msbuild /verbosity:detailed
...
There was a conflict between "xxx, Version=1.0.0.0, Culture=neutral,
PublicKeyToken=xxx" and "xxx, Version=1.0.12152.1, Culture=neutral,
PublicKeyToken=xxx".
"xxx, Version=1.0.0.0, Culture=neutral, PublicKeyToken=xxx" was
chosen because it was primary and "xxx, Version=1.0.12152.1,
Culture=neutral, PublicKeyToken=0313e76cb5077f22" was not.
References which depend on "xxx, Version=1.0.0.0, Culture=neutral,
PublicKeyToken=xxx" [D:\Projects\abc\bin\xxx.dll].
D:\Projects\abc\bin\xxx.dll
Project file item includes which caused reference
"D:\Projects\abc\src\Web.BuildServer\bin\xxx.dll".
xxx
References which depend on "xxx, Version=1.0.12152.1, Culture=neutral,
PublicKeyToken=xxx" [].
D:\Projects\abc\src\packages\yyy\lib\Net40\yyy.dll
Project file item includes which caused reference
"D:\Projects\abc\src\packages\yyy\lib\Net40\yyy.dll".
yyy
...
What means yyy references a version of yyy other than the one references by the project or another assembly.
Check the Config files
For Web-Applications the Web.config for all other project types the App.config file (even for class libraries). Make sure you don’t have a
Fix the error by binding the correct version.
<configuration>
<runtime>
<assemblyBinding xmlns="urn:schemas-microsoft-com:asm.v1">
<dependentAssembly>
<assemblyIdentity
name="System.Web.WebPages"
publicKeyToken="31BF3856AD364E35"
culture="neutral"/>
<bindingRedirect
oldVersion="0.0.0.0-2.0.0.0"
newVersion="1.0.0.0"/>
</dependentAssembly>
</assemblyBinding>
</runtime>
</configuration>