I am looking to migrate from an on-premise Exchange 2010 SP1, Standard, Version 14.1 (Build 218.15) to Office 365. The installation of Exchange 2010 has never had any CU done and has never been updated.
Since this is an older installation, the ECP does not have "Migration" tools. At what CU or SP level do I need to get the Exchange installation to in order to have the migration tools?
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