What is a default instance in SQL Server?

How do I find the default SQL Server instance name?

On a default (no-name) instance, just use hostname only for SQL connections. For additional informations see Instance Name (SQL Server Express) => Default instance "The default instance name is MSSQLSERVER; it does not require a client to specify the name of the instance to make a connection."

How do I know if my SQL Server is default instance?

Go to the tab IP Address and look for the property TCP Dynamic Ports. This is the port to which the SQL browser will listen. It will determine which instance the client tries to reach. The Default Instance of SQL Server will always be listed under port 1433.

How do I set the default SQL instance?

Use SSMS to Connect to the Local Default Instance1For Server Type it is Database Engine.2For the Server Name, we can simply use a dot (.) which will connect to the local default instance of SQL Server.3For the Authentication you can select Windows or SQL Server. ... 4Then click Connect.

How many default instance can you have on SQL Server?

A single SQL Server can have 1 default instance and up to 15 named instances of the relational engine.