This article was previously published under Q288381
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In an Exchange 2000 Server environment in which there are two or more virtual domains that are hosted on a single front-end server/back-end server setup (for this example, www.expedia-1.com and www.expedia-2.com), if a client that is using Microsoft Internet Explorer to gain access to Microsoft Outlook Web Access (OWA) is communicating with a mailbox on www.expedia-1.com and then switches to a mailbox on www.expedia-2.com, the server may return the following error message:
404 Resource Not Found.
You may be able to press the Refresh button several times in Internet Explorer to display the authentication and login dialog box.
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 English version of this fix should have the following file attributes or later:
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 1.
web client ie http-dav virtual server w3c http FE/BE exch2kp2w