At the time CU1 is released, Exchange Server SE will be the only supported version. As all previous versions will be unsupported at that time, Setup in CU1 will block coexistence with anything other than Exchange Server SE RTM or later.
At the time CU1 is released, Exchange Server SE will be the only supported version. As all previous versions will be unsupported at that time, Setup in CU1 will block coexistence with anything other than Exchange Server SE RTM or later.