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Exchange 2010 - preparing to decommission. Need to remove remaining Public folder - cannot remove Internet Newsgroups


I am in process of migrating from Exchange 2010 to Exchange 2016.  I'm in the last phases.  

Customer has indicated that they do not need any Public Folders migrated.  I am therefore following this procedure to remove any Public Folders before deleting that Public Folder mailbox.

1.In the console tree, click Toolbox.
2.In the result pane, click Public Folder Management Console.
3.In the action pane, click Open Tool. The Public Folder Management Console appears.
4.In the console tree, expand Default Public Folders, and then select the parent public folder of the public folder that you want to remove.
5.In the result pane, select the public folder that you want to remove.
6.In the action pane, click Remove. A warning appears. Click Yes to confirm that you want to remove the public folder.

I have been able to remove all the Public Folders in this manner, except "Internet Newsgroups".  When I try to remove "Internet Newsgroups", I receive this message:

 Microsoft Exchange Error
 Action 'Remove' could not be performed on object 'Internet Newsgroups'.

Internet Newsgroups
 Cannot delete the object '\Internet Newsgroups'. Please make sure that you specified the correct identity and that you have the correct permissions to delete it.

MapiExceptionPartialCompletion: Unable to delete folder. (hr=0x40680, ec=0)
 Diagnostic context:
     Lid: 40487   EMSMDBMT.EcDoRpcExt2 called [length=61]
     Lid: 56871   EMSMDBMT.EcDoRpcExt2 returned [ec=0x0][length=173][latency=0]
     Lid: 23226   --- ROP Parse Start ---
     Lid: 27962   ROP: ropDeleteFolder [29]
     Lid: 17082   ROP Error: 0x80070005
     Lid: 19297  
     Lid: 21921   StoreEc: 0x80070005
     Lid: 27962   ROP: ropExtendedError [250]
     Lid: 1494    ---- Remote Context Beg ----
     Lid: 26426   ROP: ropDeleteFolder [29]
     Lid: 4887    StoreEc: 0x80070005
     Lid: 1750    ---- Remote Context End ----
     Lid: 26849  
     Lid: 21817   ROP Failure: 0x80070005
     Lid: 24721  
     Lid: 20625   StoreEc: 0x80070005


Could you please offer suggestions?  

1 Solution
Adam BrownSr Solutions ArchitectCommented:
Has a good guide for removing Public Folder Databases and covers a lot of potential issues. For your situation, though, just clearing out the Public Folder Database object in ADSIEdit will probably fix your problem. There are instructions for that at the bottom of the article. Doing this will cause the configuration and structure of the Public Folder Database to go away in Exchange, since all of that is stored in the DB, and the Public Folder Database Object in ADSIEdit is the only way anything ever really knows how to access Public Folders. Clients won't get any error messages, and you can safely delete the database files after removing that object.
realtimerAuthor Commented:
ADSIEdit worked perfectly.  Thank you very much!!
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