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SYMPTOMSThe Mail Gateway to SMTP displays "ERROR write" and "ERROR read" messages. CAUSEThere is a problem in the TCP/IP layer of the network transport. If no other errors indicate an obvious cause, the most common one is mismatched TCP/IP window sizes. RESOLUTION
Define the window sizes in the gateway computer's TCP/IP layer and the
TCP/IP host to be in the same range. The best method is to make them the
same size and the minimum size allowed. If window sizes match but network
errors persist, use a protocol analyzer on the network segment between the
gateway computer and the TCP/IP host to pinpoint their cause.
Additional query words: 3.00 smtp tcpip windows
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Last Reviewed: October 28, 1999 © 2000 Microsoft Corporation. All rights reserved. Terms of Use. |