XCON: MTA: Dr. Watson Report with Exception e0020002

- Microsoft Exchange Server, version 4.0

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 (<nosymbols>)

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