This article was previously published under Q309134
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If you delete a Recipient Update Service object, several Lightweight Directory Access Protocol (LDAP) error messages that point to that object may be logged in the Application event log, with the error message "[0x20] No Such Object."
This problem can occur because when you delete a Recipient Update Service object, a notification thread is sent to the Recipient Update Service object that you just deleted. Because the Recipient Update Service object does not exist at that point, LDAP queries for the object are not successful.
To resolve this problem, obtain the latest service pack for Microsoft Exchange 2000 Server. For additional information, click the following article number to view the article in theMicrosoft Knowledge Base:
301378 XGEN: How to Obtain the Latest Exchange 2000 Server Service Pack
Microsoft has confirmed that this is a problem in Microsoft Exchange 2000 Server. This problem was first corrected in Microsoft Exchange 2000 Server Service Pack 2.
These error messages can be safely ignored.
When you create a new Recipient Update Service in Exchange 2000, you may also receive a " No Such Object" error message in the Microsoft Windows 2000 Event Viewer Application event log.
For additional information, click the article number below to view the article in the Microsoft Knowledge Base:
290419 XADM: "No Such Object on the Server" Error Message Occurs When You Create Recipient Update Service