File Transfers Using TCP/IP-32 Take a Long Time

 Last reviewed: September 9, 1996
Article ID: Q129127
The information in this article applies to:
  • Microsoft TCP/IP-32 for Windows for Workgroups, version 3.11a
  • Microsoft Windows For Workgroups version 3.11

SYMPTOMS

File transfers to a computer running Windows for Workgroups 3.11 and TCP/IP- 32 may take a long time.

CAUSE

This problem can occur when the TCP Receive window size shrinks down to 1460 bytes, which is equal to the TCP segment size. It takes the Windows for Workgroups 3.11 client approximately 200 milliseconds to send an acknowledgment (ACK).

STATUS

Microsoft has confirmed this to be a problem in Microsoft TCP/IP-32 for Windows for Workgroups, version 3.11a. We are researching this problem and will post new information here in the Microsoft Knowledge Base as it becomes available.

KBCategory: kbnetwork kbbug3.11
KBSubcategory: nttcp
Additional reference words: prodtcp32 wfw wfwg



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Last reviewed: September 9, 1996
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