Slowhand wrote: You just speak clearly into the chip Microsoft has installed in your skull. No, but seriously, you just register for the exams, as BigHornSheep explained. You also might have to go and notify Microsoft if you're planning on using one of the CompTIA exams as your elective. I forget if it's on CompTIA's website or Microsoft's, but if you take a peek at each site, I'm sure you'll find it. Just do a search for "CompTIA" on Microsoft.com, and a search for "MCSA" on CompTIA.org, and it'll probably be listed.
Cicada wrote: for MCSA, then perhaps go on to complete MCSE. now, when I complete A+ as my elective [kill two birds with one stone!] will i be able to use it/notify microsoft of it? or does that choice only apply to people who already hold an A+ cert before they start on the exam track?
Slowhand wrote: You'll need both A+ and Network+ as an elective for MCSA, or Security+ by itself. Keep in mind, the A+/Network+ combo doesn't fill the requirements for MCSE, only MCSA. If you want to use a CompTIA exam as an elective for both, I'd say take a look at the Security+.