This article was previously published under Q313309
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If you use Microsoft Outlook Web Access (OWA) to log on to Exchange 2000 Server, name resolution may not work correctly. Even if the security settings are set correctly, the user names of users in a different organizational unit may resolve when you verify the users' availability in an appointment. This behavior can cause difficulty if each organizational unit is used as a different security unit. For example, if a hosting service provider of Exchange 2000 has several companies in one domain, the employees of one company should not be able to check the names of users in the other company.
To resolve this problem, obtain the latest service pack for Microsoft Exchange 2000 Server. For additional information, click the following article number to view the article in theMicrosoft Knowledge Base:
301378 XGEN: How to Obtain the Latest Exchange 2000 Server Service Pack
The version of this fix should have the following file attributes or later:
Component: Information store
NOTE: Because of file dependencies, this update requires Microsoft Exchange 2000 Server Service Pack 2.
Microsoft has confirmed that this is a problem in Microsoft Exchange 2000 Server. This problem was first corrected in Microsoft Exchange 2000 Server Service Pack 3.