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Wireless PCI card will not connect with Network Threat Protection enabled

Created: 25 Nov 2008 • Updated: 21 May 2010 | 1 comment



I have a simple home network

Wireless Router: Linksys WRT610N

Three XP machines connected using wireless G or N - all using Norton 360 - no issues


One server box having issues connecting as described below

O/S: Windows Server 2003

SEP: Version 11.0.3001.2224  Self-Managed Client


Scenario 1 - Wireless USB Device: Linksys WUSB600N

When connecting to the router using the Wireless USB device connectivity is almost immediate and rock solid.


Scenario 2 - Wireless PCI Card: Linksys WMP300N

When connecting to the router using the Wireless PCI Card connectivity is not accomplished until I disable Network Threat Protection at which point connectivity is again rock solid.  I can then re-enable Network Threat Protection and connectivity continues.


Why does Network Threat Protection allow authentication in scenario one and not scenario two?

I am assming authentication is the issue. 


Any assistance will be appreciated, Cheers Chris...



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zer0's picture

Are both systems clean installs of MR3?


EAPOL was not allowed in MR2 by default so depending on what authentication method you were using for wireless it did not work out of the box by default.


If one of them is an MR1/2 upgrade it most likely kept the old settings.

Try doing a clean install, and use revouninstaller (google it) or Symantec cleanwipe (from support) to make sure all of the old settings are removed.