How to suppress all warnings using MSBuild
command-line, msbuild
Solution
The best way is to fix the issues that are causing the warnings.
If you must ignore the warnings (e.g. you have inherited a project with so many that you can't see the wood for the trees), you could try changing the WarningLevel property, http://msdn.microsoft.com/en-us/library/13b90fz7.aspx
Problem
How would I suppress all warnings (or at least as many as possible since those prefixed with MSB cannot be suppressed How to suppress specific MSBuild warning)?