CompTIA Recertification Policies
I earned my CompTIA A+ credential in early 1997. At that time, once you received your A+ certification, you were A+ certified for life. However, times change, and many IT certification vendors have begun attaching "lifetimes" to their titles. What's the deal with CompTIA as of January 2009?
Well, as it turns out, truth is stranger than fiction in this regard. For instance, check out this forum post by veteran A+ instructor and author Mike Meyers:
My name is Mike Meyers - I write a number of books for the CompTIA exams for McGraw-Hill...
The rest is at InformIT.