Hi, I have a query regarding MCTS certification. Around 2 yrs back i had passed exam 70-536. Now after 2 years gap, i am thinking of giving exam 70-503(WCF certification). Will my credits earned by passing exam 70-536 are still valid for me to earn MCTS certification in WCF or do i have to again go through 70-536 exam. Please help me. Thanks...Rahul