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When you create a public folder through Outlook Web Access (OWA) in Internet Explorer 5.0, the new folder may not become mail-enabled.
The Exchange 2000 information store generates Event ID 9543, which indicates that the system attendant cannot create a public folder proxy object. The following entry appears in the Application log of Event Viewer:
Event ID: 9543
Unable to create public folder proxy object for folder folder_name in the Active Directory.
This behavior can occur if the display name of a public folder is longer than 255 characters. The system attendant can neither create a public folder proxy object nor truncate the name.
Microsoft has confirmed that this is a problem in Microsoft Exchange 2000 Server.
Microsoft is researching this problem and will post more information in this article when the information becomes available.Microsoft has confirmed that this is a problem in Microsoft Exchange 2000 Server.
For information about another Exchange 2000 issue that occurs if a public folder has a name that is longer than 255 characters, see the following article in the Microsoft Knowledge Base:
309715For information about another cause of Event ID 9543, which indicates that a public folder has not been stamped with a proxy address, see the following article in the Microsoft Knowledge Base:
(http://support.microsoft.com/kb/309715/EN-US/ )XADM: A Public Folder with 256-Character Name Results in a Non-Delivery Report with 5.1.3
(http://support.microsoft.com/kb/278441/EN-US/ )XADM: Error c1038a21 Occurs When You Open the Properties of a Public Folder