Before you can connect to a database, you must create a server connection.
To create a connection
1. On the Database menu, click New Connection. The Database Connection Properties dialog opens.
2. On the Database Connection Properties > General tab, specify the connection details:
For more information about how to connect to a database with the Azure Active Directory authentication, see How to connect with Azure Active Directory authentication.
Note
To connect to a SQL Server using a custom port, specify the server name followed by a comma and the custom port number. For example, localhost,62005.
3. (Optional) On the Advanced tab, configure additional connection properties:
4. (Optional) To verify the connection, click Test Connection.
5. Click Connect to create the connection.
Additionally, you can watch this video to know how to connect to SQL Server database in dbForge Studio for SQL Server.