Automated Testing is about automating predefined testing tasks. This involves writing test cases and and using test automation tools. Test Automation is about execution of test cases which are written manually There can be some scenarios where some challenges can come while automating test cases. Lets have a look in brief about problems with automated testing High Initial Cost Lack of Scripting expertise Direct dive into automation without stabilizing first Test case maintenance This article by Webomates, AI Testing Service company - Test Automation Challenges talks about these challenges in detail