There is an upgrade path for mcitp:ea to mcse 2012. You need the 70-413 + 70-414 and 70-417 Exams. Upgrade from MCSE 2003 to MCITP EA was also 3 Exams.
As you are an MCITP EA you are also automatically an MCSA 2008 Private Cloud. If you do the 70-246 and 70-247 Exams you also have the MCSE 2008 Private Cloud.
Hope to of helped
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