For example, if you had the following Exchange public folder hierarchy:
Top Level Public Folder #1
L Public Folder A
L Public Folder B
L Public Folder C
Let's assume you had permissions on Public Folder A and Public Folder B, but no permissions on Public Folder C, and Public Folder A was deleted. In this scenario, attempting to recover Public Folder A by viewing the dumpster contents -- while highlighting Top Level Public Folder #1 -- will fail with the message you refer to, since you don't have rights on Public Folder C. I suspect this is what you're seeing, in which case you will need to resort to backup.
Alternatively there are third-party tools that can assist you with recovering public folders from backup. Search your favorite Internet search engine for something like "recover public folders."
Finally, you could also try the PFDAVADMIN tool. You can learn more about PFDAVADMIN here. A new version was released on Oct. 2, 2005.
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