Each time we've seen this, the user's firewall was blocking ccaagent.exe
_____________________________________
Nicholas Pistentis
Manager, Student Technology Services
George Washington University
[log in to unmask]
202.994.6202

Jason Drake wrote:
> Greetings all,
> 
> We began rolling out CCA about a month ago and up until the server upgrade
> to 3.5.5 and agent 3.5.6 everything was running fairly smooth. Starting
> yesterday (after everyone was kicked) when some users attempt to login, the
> login option is grayed out. 
> 
> The users are: 
> 1. Receiving a valid IP from the CAS
> 2. Able to access our website (which is open to the unauthenticated role)
> 3. Able to ping the CAS
> 4. Redirected to the web login and able to download the agent from the CAS
> 
> We opened a TAC with Cisco and after about 4 hours on the phone, their
> highly technical solution was to reboot the CAS and the CAM which seemed to
> resolve the issue. Cisco was unable to give us any answers on what is
> causing this, or how to prevent it. We seem to have this problem with at
> least 3 of our 4 CAS. The problem has started up again this morning, which
> was again resolved by a reboot. 
> 
> We currently have about 2800 users online, but have received about 100+
> complaints about users not being able to login.
> 
> Are any other universities experiencing this? We are very close to rolling
> back to our old system if we are not able to come up with a timely
> resolution, especially since move-in for our undergrads is on Saturday
> bringing us another 3000+ potentially angry students.
> 
> Thanks,
> 
> Jason Drake
> IT Coordinator, Residential Network Services
> University of California, Irvine
> (949) 824-9543
> http://resnet.uci.edu
> 
> 
>