Microsoft KB Archive/112237: Difference between revisions
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== SYMPTOMS == | == SYMPTOMS == | ||
The Mail Gateway to SMTP displays | The Mail Gateway to SMTP displays "ERROR write" and "ERROR read" messages. | ||
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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.<br /> | 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.<br /> | ||
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REFERENCE KB on | REFERENCE KB on "TCP/IP Sliding Windows Concept" | ||
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Latest revision as of 11:29, 20 July 2020
Article ID: 112237
Article Last Modified on 10/30/2006
APPLIES TO
- Microsoft Mail Gateway to SMTP 3.0
This article was previously published under Q112237
SYMPTOMS
The Mail Gateway to SMTP displays "ERROR write" and "ERROR read" messages.
CAUSE
There 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.
REFERENCE KB on "TCP/IP Sliding Windows Concept"
Additional query words: 3.00 smtp tcpip windows
Keywords: KB112237
