When using System.Core.dll and System.Data.dll which are both in the GAC of the machine where the project is and on the remote machine also the build on the remote machine fails with the following exception: C:\Users\ittodorov\AppData\Local\Temp\1\Projects\2b44da69-c638-4d7b-b6f2-ff6c0a111231\TestProject2\bin\TestProject2.dll