If you Google “the trust relationship between this workstation and the primary domain failed”, you get plenty of information from support blogs and Microsoft articles; however, most of them ask you to rejoin your machine to the domain. That’s not always possible.
If you have ever noticed that AD HelpDesk reported an account as NORMAL even though you know it is LOCKED OUT, then this blog post is for you. There is a solution to this problem! Here’s the question that I recently recieved: