- You configure a federation trust by using the Microsoft Federation Gateway.
- You create an Organization relationship with another organization.
- Your organization is a mixed organization that contains both Exchange Server 2010 and Exchange Server 2003.
- A user on an Exchange Server 2003 server looks up the Free/Busy information of a remote user in the other organization.
In this scenario, hash marks are displayed instead of the Free/Busy information.
Article ID: 2567863 - Last Review: Jan 13, 2012 - Revision: 1