Article: Q188040
Product(s): Microsoft Exchange
Version(s): WINDOWS:5.5
Operating System(s):
Keyword(s):
Last Modified: 25-APR-1999
-------------------------------------------------------------------------------
The information in this article applies to:
- Microsoft Exchange Server, version 5.5
-------------------------------------------------------------------------------
SYMPTOMS
========
When you send a message through the X.400 Connector, the message transfer agent
(MTA) may disconnect and the following events may be displayed in the event
log:
A command was sent at the network services interface. Control block
index = 1 Internal Connection Handle (LPI) = 1-15-1
Message type = NDATA request [POP4 POP4 UP 7 21] (8)
Event: 2004
Type: Warning
Category: Internal Processing
Description: Attempted to log an unknown event/error. Product
identifier 0, Event/error code 255 [BASE TCP/IP DRVR 8 0] (14)
CAUSE
=====
This problem occurs if an error is returned after Winsock flow control has been
established between the two servers.
STATUS
======
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 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
Additional query words: dcl
======================================================================
Keywords :
Technology : kbExchangeSearch kbExchange550 kbZNotKeyword2
Version : WINDOWS:5.5
Issue type : kbbug
Solution Type : kbfix
=============================================================================