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  • Status: Solved
  • Priority: Medium
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Exchange Server 2007 Calendar Bounceback

We are receiving bouncebacks for a user who is no longer active (she was a delegate or shared user on a current users calendar).

When a user sends an invite for a request she receives a bounce back regarding the disabled users account seen below.

We Disabled the user’s Exchange account in Exchange Management Console first, to avoid ending up with a “Disconnected” Exchange account. Disable the Domain account.  Move the Domain account to the “Former Employees” group.

I have used mfcmapi.exe to clear out Delegates and then added another Delegate back to the calendar via Outlook (separate user entirely).

Delivery has failed to these recipients or distribution lists:
Jane Doe
The recipient's e-mail address was not found in the recipient's e-mail system. Microsoft Exchange will not try to redeliver this message for you. Please check the e-mail address and try resending this message, or provide the following diagnostic text to your system administrator.
Sent by Microsoft Exchange Server 2007

Diagnostic information for administrators:
Generating server: exchange.mydomain.local

#550 5.1.1 RESOLVER.ADR.ExRecipNotFound; not found ##
Original message headers:
Received: from exchange.mydomain.local ([]) by exchange.mydomain.local
 ([]) with mapi; Tue, 11 Sep 2012 10:21:00 -0400
Content-Type: application/ms-tnef; name="winmail.dat"
Content-Transfer-Encoding: binary
From: ********* ********** <>
To: Jane Doe
Date: Tue, 11 Sep 2012 10:20:59 -0400
Subject: TEST
Thread-Topic: TEST
Thread-Index: Ac2QKKePii8KpeU0R5mw7ZYxn8KgZAAAAGeQ
Message-ID: <>
Accept-Language: en-US
Content-Language: en-US
X-MS-TNEF-Correlator: <>
acceptlanguage: en-US
MIME-Version: 1.0
1 Solution
Manpreet SIngh KhatraSolutions Architect, Project LeadCommented:
Go to ADSIEDIT find the user go to the account properties and check for attribute called "PublicDelegates"

Finding Delegates in Active Directory

How to determine who is an Exchange Delegate or Delegate OF a mailbox (publicdelegates or publicdelegatesBL)

If any doubts please do let me know and we can slowly walk down the process :)

- Rancy
This is common issue if User A has delegates the calendar to User B who already left company. The User B mailbox already deleted from Exchange server but User A doesn't remove user B from Outlook Delegate.

Refer to my documentation.

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