title: Visual Studio 2017 online build agent fails due to inability to find Visual Studio Version 15.0
body: <p>I created a CI/CD pipeline by utilized Visual Studio 2017 build agent available on VSTS online but it fails due to the warning message below:</p>
  
  <p>"Visual Studio version '15.0' not found. Looking for the latest version.</p>
  
  <p>So, the agent starts using version 14.0 which is VS 2015. Is there a workaround to address this?</p>