https://community.extremenetworks.com/t5/faqs/enterasys-controller-f-w-8-01-01-0251-winxp-clients-cannot/m-p/41076#M30 Article ID: 14593 <BR /> <BR /> <B>Products</B><BR /> Enterasys (formerly HiPath) Wireless Controller (EWC)<BR /> C20, C25, C4110, C5110, V2110; firmware 8.01.01.0251 <BR /> <BR /> <B>Changes</B><BR /> Upgraded firmware from 7.31.02.0010, directly to 8.01.01.0251 or higher. <BR /> <BR /> <B>Symptoms</B><BR /> Windows XP-SP3 clients cannot connect to the Wireless VNS using PSK authentication.<BR /> Other systems, including Windows 7, Linus, and Apple Mac devices, are able to connect. <BR /> <BR /> <B>Cause</B><BR /> An apparent result of the one-step upgrade without staging through 7.31.06.0007 as recommended in release notes (<A href="http://bit.ly/1wgot2U" target="_blank" rel="nofollow noreferrer noopener">15070</A>). <BR /> <BR /> <B>Solution/Workaround</B><BR /> Avoid this issue by using the recommended staged upgrade process. <BR /> <BR /> Workaround:<BR /> Resolve this issue by changing the PSK password to another value and saving the configuration, then changing it back to the original value and saving the configuration. Tue, 12 Nov 2013 22:34:00 GMT FAQ_User 2013-11-12T22:34:00Z https://community.extremenetworks.com/t5/faqs/enterasys-controller-f-w-8-01-01-0251-winxp-clients-cannot/m-p/41076#M30 Article ID: 14593 <BR /> <BR /> <B>Products</B><BR /> Enterasys (formerly HiPath) Wireless Controller (EWC)<BR /> C20, C25, C4110, C5110, V2110; firmware 8.01.01.0251 <BR /> <BR /> <B>Changes</B><BR /> Upgraded firmware from 7.31.02.0010, directly to 8.01.01.0251 or higher. <BR /> <BR /> <B>Symptoms</B><BR /> Windows XP-SP3 clients cannot connect to the Wireless VNS using PSK authentication.<BR /> Other systems, including Windows 7, Linus, and Apple Mac devices, are able to connect. <BR /> <BR /> <B>Cause</B><BR /> An apparent result of the one-step upgrade without staging through 7.31.06.0007 as recommended in release notes (<A href="http://bit.ly/1wgot2U" target="_blank" rel="nofollow noreferrer noopener">15070</A>). <BR /> <BR /> <B>Solution/Workaround</B><BR /> Avoid this issue by using the recommended staged upgrade process. <BR /> <BR /> Workaround:<BR /> Resolve this issue by changing the PSK password to another value and saving the configuration, then changing it back to the original value and saving the configuration. Tue, 12 Nov 2013 22:34:00 GMT https://community.extremenetworks.com/t5/faqs/enterasys-controller-f-w-8-01-01-0251-winxp-clients-cannot/m-p/41076#M30 FAQ_User 2013-11-12T22:34:00Z