Microsoft KB Archive/157701

= XCON: MTA: Dr. Watson Report with Exception e0020002 =

Article ID: 157701

Article Last Modified on 10/28/2006

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APPLIES TO


 * Microsoft Exchange Server 4.0 Standard Edition

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This article was previously published under Q157701



SYMPTOMS
The Microsoft Exchange Message Transfer Agent (MTA) generates a Dr. Watson report with the exception number e0020002. The following events are reported in the Application Log of the Windows NT Event Viewer:

Event ID: 9225

Source: MSExchangeMTA

Type: Warning

Category: Internal Processing

Description:

A sockets error was detected. Bad message type 1 for socket control block 42 in state 4.

[BASE IL TCP/IP DRVR 11 262] (14)

Event ID: 9405

Source: MSExchangeMTA

Type :Error

Category: Field Engineering

Description:

An unexpected error has occurred which may cause the MTA to terminate. Error: SBPDSCLS:CB TID=0,calling TID=1.

[BASE TCP/IP DRVR 11] (16)

EventID: 9405

Source:MSExchangeMTA

Type:Error

Category:Field Engineering

Description:

An unexpected error has occurred which may cause the MTA to terminate. Error: Exception e0020002 occurred at Address 77f3cbcd. [BASE TCP/IP DRVR 11] (16)

EventID: 4097

Source:DrWatson

Type:Information

Category:None

Description:

The application, emsmta.DBG, generated an application error. The error occurred on 11/ 8/1996 @ 6:23:39. 0 The exception generated was e0020002 at address 77f3cbcd



CAUSE
The MTA was attempting to close a Control Block (an MTA resource) with a thread different than the one used to create the Control Block.



STATUS
Microsoft has confirmed this to be a problem in Microsoft Exchange Server version 4.0. This problem was corrected in the latest Microsoft Exchange 4.0 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



MORE INFORMATION
This problem can occur with either TCP/IP or TP4 as the underlying transport stack for an X.400 Connector.

Keywords: kbbug kbfix kbusage KB157701

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