Delegate Meeting Request NDR on Exchange 2003

This is a fairly common problem and one I have been able to solve in the past using some of the methods below.  This time, however, I cannot seem to fix it.  Here is the situation.

The Boss had two Executive Assistants who were set up as delegates.  They have since left the organization and their AD accounts have been deleted.  If a meeting request is accepted by the Boss, he will receive an NDR like the one below:


From: System Administrator
Sent: Tuesday, April 13, 2010 2:24 PM
To: The Boss
Subject: Undeliverable: Accepted: Lunch with XXXXXXXX

Your message did not reach some or all of the intended recipients.

      Subject:      Accepted: Lunch with XXXXXXX
      Sent:      4/13/2010 2:24 PM

The following recipient(s) cannot be reached:

      Exec Assistant #1 on 4/13/2010 2:24 PM
            The e-mail account does not exist at the organization this message was sent to.  Check the e-mail address, or contact the recipient directly to find out the correct address.
            < #5.1.1>

      Exec Assisstant #2 on 4/13/2010 2:24 PM
            The e-mail account does not exist at the organization this message was sent to.  Check the e-mail address, or contact the recipient directly to find out the correct address.
            < #5.1.1>


Our environment is a Windows Server 2003 R2 (x86) server with Exchange 2003 SP2. Clients are Outlook 2007 SP2.

Here are the steps I have taken:
1) Running Outlook with the /cleanrules flag (as well as the just the /cleanclientrules).
2) No delegates appear under Tools\Options\Delegates.  I have tried adding one and removing one to reset it as well.
3) Looked under the Boss's AD account in Exchange General\Delivery Options\Send on behalf and there are no entries.
4) Run MFCMapi, drilled down to the Boss's inbox and tried to locate the Delegate Rule with "PR_RULE_PROVIDER" column property shows "Schedule+EMS Interface.  I do not see such a rule.
5) Run MDBVU32 to search for the "Schedule+EMS Interface" rule as well, no results.

If I run a command to show delegates, then i will get this result:

ldifde -f delegates.txt -d "ou=users,dc=domain,dc=com" -l name,publicDelegates,publicDelegatesBL -r "(|(publicDelegates=*)(publicDelegatesBL=*))"

dn: CN=The Boss,OU=Pittsburgh Office,OU=Staff,DC=MyDomain,DC=local
changetype: add
name: The Boss

This entry must be somewhere, but I cannot seem to find it.  Any ideas on what I am overlooking?

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There might be satle entries of the user in the DC. Check the following :
zeotechAuthor Commented:
There is now a new delegate setup for the Boss.  I took another look in MFCMAPI and i did see an IPM.RuleOrganizer message class instance in the Inbox.  The From and Subject were both Err:0x8004010=MAPI_E_NOT_FOUND.  I am deleting that entry, hopefully that is it.
That will not take care of the issue. The best would be to delete all the rules under " Associated contents Table" in MFCMAPI under Inbox.
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zeotechAuthor Commented:
I've attached a screenshot of the Associated Contents table of the Inbox.  I am not familiar enough with this tool to know what sticks out.  Any suggestions?
zeotechAuthor Commented:
I just deleted everything as ashinshkpandey advised. we'll see if that does it.
zeotechAuthor Commented:
The user just received another NDR this weekend for a meeting invite.  Where else could there possibly be a stale entry?!
zeotechAuthor Commented:
These NDRs only seem to be generated when someone outside of the organization requests a meeting.
zeotechAuthor Commented:
still not sure what is prompting these NDRs, i have been unable to re-create the issue on demand.  i will work on this independently until i have more info.
zeotechAuthor Commented:
I found out what was happening here and why i did not see anything under the Boss's profile in MFCMapi.  There was basically some circular logic here.  TheBoss did not have any delegates that were deleted users.  He had active/legit delegates.  One of THOSE people, had a deleted user delegate.  So when certain items came in for theBoss and were received by the intermediary, there were NDR created.  I confirmed by opening up the intermediaries Outlook and saw a former user listed as a delegate. Hope this helps someone else in the future, this took months to figure out.

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