XADM: "C1038AF7" Error Message Occurs When You Attempt to Reconnect a Mailbox

When you try to reconnect to a mailbox under Microsoft Exchange 2000 Server, you may receive the following error message:

When you try to reconnect to a mailbox under Microsoft Exchange Server 2003, you may receive the following error message:

This behavior can occur because the mailbox in this information store attempts to connect to a user object in Active Directory that has the same Simple Mail Transfer Protocol (SMTP) address as a mail-enabled contact that already exists in Active Directory.

To resolve this behavior, remove the mail-enabled contact that has same SMTP address as the mailbox that you are attempting to reconnect. To do this, perform the following steps:

1. Click Start, point to Programs, point to Administrative Tools, and then click Active Directory Users and Computers.
2. Expand the Organization name, and then click the Users folder.
3. Right click the mail-enabled contact displayed on the left, and then click Properties.
4. Click the E-mail Addresses tab and remove the appropriate SMTP address from the list.
5. Click OK, and THEN close Active Directory Users and Computers.

The behavior described in this article was discovered by attempting to recreate a mailbox named username by using the username@domain address. As a result, the "An object already exists with that SMTP address" error message was received.

After you run the Mailbox Cleanup Agent, the following event ID message is logged in the Application Event log: For additional information, click the following article number to view the article in the Microsoft Knowledge Base: For additional information, click the article number below to view the article in the Microsoft Knowledge Base: