Article ID: 2567863 - View products that this article applies to.
Consider the following scenario:
In this scenario, hash marks are displayed instead of the Free/Busy information.
When an Exchange 2003 user who uses any version of Outlook performs an availability request for a remote user, the target organization may return the Free/Busy information in the format of a MergedOnly string, and Outlook will display hash marks (no information) for the remote user.
To resolve this issue, install Microsoft Exchange Server 2010 Service Pack 2 (SP2). For more information about Exchange Server 2010 SP2, visit the following Microsoft website:
Microsoft Exchange Server 2010 Service Pack 2 (SP2)
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.
A separate issue with Exchange 2003 Cross-Org lookups was identified that is caused by the Autodiscover feature failing for the remote user. For more information, click the following article number to view the article in the Microsoft Knowledge Base:
(http://support.microsoft.com/kb/2506820)The free/busy information does not display of a remote user whose mailbox is located on an Exchange Server 2003 server
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