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Article ID: 99891 - Last Review: September 20, 2012 - Revision: 4.0

This article was previously published under Q99891


Microsoft TCP/IP-32 version 3.11b is an update to Microsoft's TCP/IP-32, a 32-bit protected mode VxD TCP/IP network protocol stack for Windows for Workgroups version 3.11. This update is a complete refresh of TCP/IP-32 and contains all components of the product. For information on what is fixed in this TCP/IP-32 Update, query on the following word in the Microsoft Knowledge Base (without the spaces):

   T C P U P D A T E

More information

The Tcp32b.exe file is a self-extracting file containing the TCP/IP-32 version 3.11b files.

The following file is available for download from the Microsoft Download Center:
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Download Tcp32b.exe now (
For additional information about how to download Microsoft Support files, click the following article number to view the article in the Microsoft Knowledge Base:
119591  ( ) How to Obtain Microsoft Support Files from Online Services
Microsoft scanned this file for viruses. Microsoft used the most current virus-detection software that was available on the date that the file was posted. The file is stored on security-enhanced servers that help to prevent any unauthorized changes to the file.
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Retired KB ArticleRetired KB Content Disclaimer
This article was written about products for which Microsoft no longer offers support. Therefore, this article is offered "as is" and will no longer be updated.
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