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Hosted Exchange Unified Messaging (UM)

Lync Server 2010
 

Topic Last Modified: 2010-11-07

In addition to the support that previous releases have provided for integration with on-premises deployments of Exchange Unified Messaging (UM), Lync Server 2010 introduces support for integration with hosted Exchange UM. This integration enables Lync Server to provide voice messaging to your users if you transfer some or all of them to a hosted Exchange service provider, such as Microsoft Exchange Online.

The following configurations are supported:

  • On-premises: Lync Server and Exchange UM are both deployed on local servers within your enterprise.
  • Cross-premises: Lync Server is deployed on local servers within your enterprise and Exchange UM is hosted by an online service provider, such as Microsoft Exchange Online.
  • Mixed: Your Lync Server deployment has some user mailboxes homed on local Exchange servers within your enterprise and some mailboxes homed by an online service provider, such as Microsoft Exchange Online.
    noteNote:
    The mixed configuration can be used as a transitional solution during evaluation and stepwise migration of users to hosted Exchange UM or as a permanent solution if you opt to keep some users’ Exchange UM services on-premises and others online.
 
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