Microsoft KB Archive/182619

= XCON: MTA Terminates with 9404 Error =

Article ID: 182619

Article Last Modified on 10/28/2006

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APPLIES TO


 * Microsoft Exchange Server 4.0 Standard Edition
 * Microsoft Exchange Server 5.0 Standard Edition
 * Microsoft Exchange Server 5.5 Standard Edition

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This article was previously published under Q182619





SYMPTOMS
The message transfer agent (MTA) terminates with error 9404. The following error is observed in the application log for all versions of Microsoft Exchange Server:

9215

A sockets error 10061 on a connect call was detected. The MTA will

attempt to recover the sockets connection. Control block index: 6. [BASE

ILTCP/IP DRVR 10 274] (12)

If you are running Exchange Server version 5.0, the text of the 9404 error message is as follows:

9404

A fatal MTA error has occurred. An illegal buffer request has been made.

The request was for 30 headers and 30 elements. [BASE TCP/IP DRVR 10]

(16)

If you are running Exchange Server version 5.5, the text of the 9404 error message is as follows:

A fatal MTA error has occurred. An illegal buffer request has been made.

The request was for 29 headers and 29 elements. [BASE TCP/IP DRVR 8]

(16)



CAUSE
The 9404 error is generated when the MTA receives an illegal TPKT request from the buffer manager.



STATUS
Microsoft has confirmed this to be a problem in Microsoft Exchange Server versions 4.0 and 5.0.

A supported fix is now available, but has not been fully regression-tested and should be applied only to systems experiencing this specific problem. Unless you are severely impacted by this specific problem, Microsoft recommends that you wait for the next Service Pack that contains this fix. Contact Microsoft Technical Support for more information.

Microsoft has confirmed this to be a problem in Microsoft Exchange Server version 5.5. This problem has been corrected in the latest U.S. Service Pack for Microsoft Exchange Server version 5.5. For information about 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

Additional query words: 9404 illegal buffer mta terminates crash

Keywords: kbhotfixserver kbqfe kbbug kbfix KB182619

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