Microsoft KB Archive/168536

= XCON: Event ID: 246 An Internal MTA Error Has Occurred =

Article ID: 168536

Article Last Modified on 10/28/2006

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APPLIES TO


 * Microsoft Exchange Server 5.0 Standard Edition

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This article was previously published under Q168536



SUMMARY
When you send a mail message from Microsoft Mail to a Microsoft Exchange Server distribution list (DL), you may see the following error message:   EventID:    246 Source:    MSExchangeMTA Type:      Error Category:  Internal Processing

An internal MTA error occurred. An attempt has been made to read beyond the end of an object. Attribute ID: 30. Object at fault: 060000NN. Offset reached: 1. Contact Microsoft Product Support Services. [MTA DISP:FANOUT 12 223] (14) The referenced object in the error is not found in the Mtadata directory. The referenced object may vary but the attribute ID and offset are the same in most cases.



CAUSE
The error occurs when the message transfer agent (MTA) looks on the message for an attribute called Private Extensions. The MS Mail Interchange (MSMI) does not create messages with this attribute, because it did not used to exist. The MTA sees the value of this attribute has a length of 0 and so it records the error 246.



STATUS
Microsoft has confirmed this to be a problem in Microsoft Exchange Server version 5.0. This problem was corrected in the latest Microsoft Exchange Server 5.0 U.S. Service Pack. For information on obtaining the service pack, query on the following word in the Microsoft Knowledge Base (without the spaces):

S E R V P A C K

Keywords: kbbug kbusage KB168536

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