Starting last Monday and lasting through Oct. 16, the betas for Microsoft's Windows 7 Enterprise Desktop Administrator (71-686) exam and Windows 7 Enterprise Desktop Support Technician (71-685) exam are available through Prometric testing centers.

These two exams lead to Microsoft Certified IT Professional (MCITP) certifications. While no official date has been announced, the expected live date for each exam is in the middle of November.