Any further news on this?

We have seen something weird with Windows Vista this week.  We had 
one residence hall where a large majority of Windows Vista users 
stopped being able to get on the network.  They could log into the 
agent and get a success message.  Then the students would  launch a 
browser and would get the config URL error.  Right now we have seen 
rebooting sometimes fixes it and sometimes disabling IPv6.

We are running both Agent and CCAM and CCAS with version 4.1.2.0.

Any Ideas?

Heather

At 12:57 PM 10/19/2007, Speight, Howard wrote:
>Anyone know if IPv6 mac can be blocked in CCA?
>
>CCA 4.1.1, Agent 4.1.2.2 (required upgrade)
>
>Here's the scenario:
>
>Vista machine broadcasting IPv6 DNS service causing lookups to fail. I
>tried blocking the Mac as it was listed on my computer, but received
>invalid mac address/range format. By the way I blocked the IPv4 Mac in
>CCA that was broadcasting the IPv6 DNS and the IPv6 is still
>broadcasting. Makes me wonder what CCA is (or not) doing with IPv6
>traffic, it certainly wasn't authenticated.
>
>Our students were out on Monday and (patch) Tuesday, when they came back
>on Wednesday the phones started ringing and the lines started forming.
>The SSL error is killing us, through trial and error doing the following
>allows the machine to login.
>
>Go into Network and Sharing Center, Manage Network Connections, Right
>click Local Area Connection
>
>Uncheck Internet protocol Version 6 (TCP/IPv6), OK all windows, Reboot
>
>While the client machine is rebooting physically remove the login entry
>from CCA manager interface to allow a "clean" login
>
>This works without changing any other settings in IE or clearing SSL
>cache or Web browser cache. It is important that the machine be rebooted
>to put the machine in the right "frame of mind."
>
>I tried doing an IPCONFIG /FLUSHDNS from a command prompt without
>rebooting and received the SSL error, you need to reboot.
>
>I have a TAC case open (SR 606961737), but will probably open a new one
>just for dealing with IPv6 on Monday...
>
>Howard
>
>


Heather Bell
Systems Administrator
Information Technology Services
Northern Arizona University
E-mail: [log in to unmask]