FIX: You receive an "c1030af6" error message when you try to connect to public folders by using Exchange System Manager.

When you try to expand the public folder store by using Exchange System Manager on a computer that is running Microsoft Exchange Server 2003, you may receive an error message that is similar to the following:
An internal server error has occurred on the server. The requested operation failed.
ID no: c1030af6
Additionally, when you try to view the properties of a public store folder, you may receive an error message that is similar to the following:
The operation failed because of an http error 501 (not implemented). Verify that the exadmin virtual root exists on the destination server.
ID no: c1030af7

This problem occurs when the web site that the Exadmin virtual directory is a member of does not have a blank host header name.

Add a host header to the Website that specifies the NetBIOS name of the Exchange Server
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To do this, follow these steps:
1.
Start Internet Services Manager, and then open the properties of the default Web site.
2.
Click Advanced.
3.
Make sure that a valid IP address has been entered, TCP port is set to 80 and the host header value is the�NetBIOS name of the server.
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The Exchange System Manager uses the network basic input/output system (NetBIOS) name of the computer to try to connect to its management server by using HTTP. In Exchange-based cluster servers, if host headers are configured, they should be the NetBIOS names of the Exchange virtual servers or the NetBIOS names of the nodes.

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