Scott Schnoll has a post on new high availability features in Exchange 2010 SP1.

The following new features for high availability and improvements to existing high availability features are available in SP1:

  • Continuous replication – block mode
  • Active mailbox database redistribution
  • Improved Outlook cross-site connection behavior and experience
  • Enhanced Datacenter activation coordination support
  • New and enhanced management and monitoring scripts
  • Improvements in fail-over performance

These features are discussed in greater detail in his blog.

– Thanks, Jinesh.