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Q120576: Logon and Connection Problems using 3Com Etherlink 16 Adapters

Article: Q120576
Product(s): Microsoft Windows 3.x Retail Product
Version(s): 1.0,3.1,3.11
Operating System(s): 
Keyword(s): 
Last Modified: 17-DEC-2000

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The information in this article applies to:

- Microsoft Windows for Workgroups versions 1.0, 3.1, 3.11 
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SYMPTOMS
========

You may experience intermittent network problems such as logon validation errors
and network connection failures when running Windows for Workgroups with a 3Com
Etherlink 16 (3C507) network adapter.

CAUSE
=====

These problems occur due to a problem with the 3C507 enhanced mode NDIS driver.

WORKAROUND
==========

To work around the problem, do the following:

1. Run 3C507.EXE from the floppy disk (EtherDisk) that comes with the network
  adapter and set the Data Mode to Standard. The default factory setting is
  Turbo.

2. Choose the Network Setup icon in the Network group. In the Network Driver
  dialog box, select the 3Com EtherLink 16 [NDIS2/NDIS3] driver.

3. Select Real Mode NDIS Driver for the driver type. Choose OK and reboot the
  workstation.

STATUS
======

Microsoft has confirmed this to be a problem in Windows For Workgroups version
3.11. We are researching this problem and will post new information here in the
Microsoft Knowledge Base as it becomes available.

Additional query words: wfw wfwg 3.11

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Keywords          :  
Technology        : kbAudDeveloper kbWFWSearch kbWFW310 kbWFW311
Version           : :1.0,3.1,3.11

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