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Active Directory is such an important service that in most organisations after being implemented becomes essential and at the same time suddenly transparent to the end-user.

In my humble opinion even nowadays learning the fundamentals of Active Directory is very important for most support / technical roles and it will be a valuable skill for at least another decade, cloud technologies, for instance, will not make those skills disappear overnight.

Regardless of the size of the organisation who needs to support the end-user needs to understand well how it works or know how to solve the most common issues, in this article we will touch again of a very simple problem to investigate such the AD Account Lockout.

Continue reading “Active Directory User Account Lockout Troubleshooting”

There is no such thing as the myth of a “perfect” green-field deployment. But in real life most of the times there is a just room/resources (e.g. time and money) for patches of green on a big brown-field.

What I really mean.. is that we can’t always keep up with the pace of new technologies and just re-design things from ground up following new trends without understanding or maintaining the legacy design or more importantly meeting the business needs.

Starting from the network and I like to create a basic network diagram will outline at glance things that could potentially limit infrastructure growth or expose it to potential risk that we need to mitigate. Designing , re-designing things well or better is based on getting the requirements right and verify that desired targets are met. To speed up this discovery process we use tools to gather the information we need. Continue reading “Powershell: How to perform Ping Sweep and Reverse-Lookup on a private network”