Deleted Items Folder won't delete items

Deleted Items Folder won't delete items

Post by Dale DeCocke » Thu, 29 Mar 2001 05:04:51

When I try to delete the items in my deleted items folder, my Outlook
freezes (Outlook 2000).  I figure that it has be a problem with Exchange
though.  Can anyone help?  Thanks.



1. Deleted messages, deleted item retention time, and recovering deleted items

I'm working with Exchange 5.5 and I need to track messages within Public
Folders that have been deleted/marked for deletion by a user, but have not
been purged by the Exchange server because the Exchange Admin has configured
the Public Folder(s) with a non-zero "Deleted item retention time".  I am
working with information associated with MAPI messages that is
kept/maintained outside of Exchange and I would like to maintain that
information when the message is "deleted" but still recoverable from a
general users standpoint using "Recover Deleted Items...".  That way when
the message is recovered,  the external information is still available.
Only when the message has really been deleted/purged will the external info
be purged as well.  With an Outlook extension, I have control over the
initial "delete" process, but I haven't seen any documentation that defines
any special MAPI properties a message has when it has been deleted (and not
purged) nor have I found any information on how Outlook is able to
find/display deleted messages within the "Recover Delete Items..." Tool

Using a sample program, I can open a public folder, call QueryRows to get a
message (save off the message's ENTRYID) , call GetMessageStatus to obtain
its status and then call DeleteMessages to delete the message.  With the
"Deleted item retention time" set on the test folder, I can repeatably call
GetMessageStatus on that message passing in the saved message ENTRYID and
successfully access the message.  If I then go to an Outlook client, select
"Recover Deleted Items ..." under the Tools menu I can see the deleted test
message.  If I then "Purge" the deleted message, calls to GetMessageStatus
with the saved ENTRYID now fail.  This is fine as far as detecting when a
"deleted" message is purged, but it doesn't tell me if the message has been

Ultimately, I would like to know a message has been marked for deletion by
the presence of one or more properties within the message.  There is a
property PR_MSG_STATUS that looks like it fits the bill, but its use is
defined by a client and is not maintained by the Exchange server itself.
Calling GetMessageStatus against a deleted message does not show that the
message is marked for deletion.  I can call SetMessageStatus to set status
bits and I can successfully retrieve them with GetMessageStatus, but after
all is said and done, Exchange just passes this info along unchanged.

Another possibilty is to somehow see/detect deleted items the same way as
the Outlook "Recover Deleted Items..." Tool does.  Given a public folder, it
is somehow able to show deleted items that are in the folder.

Hopefully, the presence of a property which tells me a message has been
deleted will also tell me by its absence that the message has been restored.
Similarly, if I can see/detect deleted messages within some special MAPI
deleted items cache/table then I can tell a message has been restored by the
fact that it isn't in the cache/table.

Thanks in advance,
Keith Ingalls

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