As with any other IT system, AD components also can face issues which can impact their operations. This can be due to many reasons such as poor design, the result of a management task, hardware or software issues, resources issues, and so on. No one is expected to know how to fix each and every AD-related issue. The most important thing is the starting point of the troubleshooting process and the engineer's approach to finding the solution. This chapter is meant to show you how to troubleshoot the most common AD infrastructure issues with the correct approach.
We started the chapter with AD replication issues. We looked into different scenarios which can cause replication issues and how we can recover from them. Then we looked into Group Policy-related issues and how to troubleshoot them using Windows' inbuilt utilities. Last but not least, we learned about AD...