You can also find this details on your Control Panel -> Domain -> Database
3. If you have made sure point 1 and point 2 above are met and still, you cannot login, please kindly check whether your local PC or firewall blocks the SQL port. To check, please just
TELNET our_server_IP_address port_number. For example: TELNET 174.37.255.232 777 (to check for SQL 2008 port). If you see an error message, this means that something is blocking port 777 and you need to unblock it. Please contact your local Network Administrator for more information
4. If all points above are met and you still cannot connect, please observe the error message. If you see an error message: "
Login failed for user xxxxx", this means that your SQL Server user password is incorrrect OR your SQL user password is shorter than 6 characters OR longer than 14 characters. Please kindly reset the SQL password via our Control Panel.
For the details to connect remotely, please check the article
here.