Vista - Problem in Click once deployment

Hi,
I try to deploy my application in clickonce server. The server is Windows server 2008 and iis 7.0. I created a sample application in windows server 2008 server and try to configure that application, its configure well, but i try to devlop my application through http://, its asking user id and password, i entered the user id(Administrator) and password of the server but it is not accepting.

My server is another domain, my system is in another domain, but both the system are connected in global domain.

My settings in IIS 7.0

For my virtual directory the IIS manager permission not having users but in Default web site its having users of Administrator.

For virtual directory shared users are Administrator and Every one both the users are having the same full rights.

I dont know what happen for this, Can you please help me to solve this issues?

If possible please sent what are the configuration is needed to publish our application in IIS 7.0

Thanks in advance.