Build failed to run VS Test Runner

Question

I need help to troubleshoot the root cause of this build error during Step "Run VS Test Runner"

TFS 2013 Update 4, VS 2015 Build Def uses ReleaseTfvcTemplate.12.xaml msBuild Parameters /tv:14.0
<..................>
Could not load file or assembly 'Microsoft.VisualStudio.TestPlatform.Utilities, Version=12.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a' or one of its dependencies. The system cannot find the file specified.

Answer 1

Install VS2013 or Test Agent for VS2013 on build server should fix this issue.

Answer 2

Add /p:VisualStudioVersion=14.0 to your MSBuild arguments.