Unable to login to CSP

After installing CSP server and the console (6.0) on the same server,Tred to login using

user name : sysadmin

Password :

Got the Verify Server Certificate panel  then after verified it There is no prompt to reset new password.

If try to login with blank password  getting the below message

"Login Failed. SDCSS could not log you on. Make sure your user name and password are correct, and that your System Administrator has given you permission to use this application."

Please advice

Thanks.