The problems with Microsoft certification are myriad.
One really big problem is that people with Microsoft certification think that because they know how to use the Wizard provided by Exchange server, they know something about email, the internet, or networking.
Microsoft certification teaches you the practical knowledge you’ll need to run a variety of servers – on Microsoft tech. You’ll be able to do cool things fast – as long as Microsoft anticipated that need. And you’re basically taught a mantra that says that if it doesn’t have a Microsoft logo, it’s “Not Compatible”.
In reality, the opposite is true: Pretty much everything is compatible, except for Microsoft. And usually everything is compatible with Microsoft, despite their best efforts to embrace and extend. The only thing is not compatible is that Microsoft products aren’t compatible with non-microsoft products.
But I think perhaps the biggest problem with Microsoft certification is that when people finish their course, they get a shiny certificate, and it says that they’re Microsoft certified. And Microsoft people spend lots of time impressing how respectable they are on their customers. So people get this impression that their Microsoft certification means that they deserve some kind of respect.