Hi,
Please find steps which i have performed:
1)Downloaded fresh jboss-as-7.1.0.CR1b.
2) bin -> standalone.bat
3) Checked http://localhost:8080/ (welcome page)
4)bin ->add-user.bat , input given for user and password.
5)Created folder under module->com as "mssql"
6)under mssql folder created one folder as "main" and under it created add-user.bat and added sqljdbc.jar into it.
7) trying to connect admin console using like http://localhost:9990/console.
on clicking above link getting page showing "loading " plase find attached image https://community.jboss.org/servlet/JiveServlet/downloadImage/2-718234-18023/450-252/adminconsole.JPG
Please suggest.