Like any other IT engineer, I deal with the burden of broken systems from time to time. In the last 15 years of my career, I have spent long and sleepless nights fixing systems. I've spent days in cold data centers. I've missed long-awaited holidays. Even if we do not like it, as engineers, we spend most of our time fixing something. As with any other system, Active Directory (AD) environments can have problems. Some of them have direct business impacts and some don't.
In order to troubleshoot an issue and find a solution, we first need to have relevant knowledge about the application or the service. You do not need to be a master of everything but you should at least have enough knowledge to begin the troubleshooting process. Then, we need to collect the relevant data that can help us to understand the situation. This can be in...