RTC 1.0.1.1 and WAS7 using bluegroups authentication error

I am getting this error on fat client:
Invalid user ID / password logging into 'xxx-xxx-xxx-xxx.xxxxxx.ibm.com'.
CRJAZ0107I An unexpected error was caught invoking the service
"https://xxx-xxx-xxx-xxx.xxxxxx.ibm.com:9443/jazz/service/com.ibm.team.repository.common.internal.IRepositoryRemoteService".
The server is requesting authentication even though we just authenticated
successfully. Please check your server configuration.
any thoughts on what the problem is?
Tony
Invalid user ID / password logging into 'xxx-xxx-xxx-xxx.xxxxxx.ibm.com'.
CRJAZ0107I An unexpected error was caught invoking the service
"https://xxx-xxx-xxx-xxx.xxxxxx.ibm.com:9443/jazz/service/com.ibm.team.repository.common.internal.IRepositoryRemoteService".
The server is requesting authentication even though we just authenticated
successfully. Please check your server configuration.
any thoughts on what the problem is?
Tony
One answer

I am using RTC Version: 2.0 Build id: I20090529-1347 and got the exact same problem, even though I can login from the web interface. Any idea fixing this problem?
-- Yongcheng
-- Yongcheng
I am getting this error on fat client:
Invalid user ID / password logging into '*-*-*-*.xxxxxx.ibm.com'.
CRJAZ0107I An unexpected error was caught invoking the service
"https://*-*-*-*.xxxxxx.ibm.com:9443/jazz/service/com.ibm.team.repository.common.internal.IRepositoryRemoteService".
The server is requesting authentication even though we just authenticated
successfully. Please check your server configuration.
any thoughts on what the problem is?
Tony