Why are you retiring the MCM, MCSM, and MCA exams?
The IT industry is changing rapidly and we will continue to evaluate the certification and training needs of the industry to determine what the right certification is for the pinnacle of our program.
ref: http://www.microsoft.com/learning/en-us/mca-certification.aspx
Microsoft Certified Architect (MCA)
http://www.microsoft.com/learning/en-us/mca-certification.aspx
Microsoft Certified Masters (MCM)
http://www.microsoft.com/learning/en-us/mcm-certification.aspx