How To Connect to a SQL Server 2000 Named Instance with JDBC

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This article was previously published under Q313225

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SUMMARY

Microsoft SQL Server 2000 supports multiple instances of the SQL Server database engine that run concurrently on the same computer. The following are the two types of SQL Server database engine instances: default and named. There can only be one default instance that runs on any computer, and it is identified by the name of the computer on which the default instance runs. The computer name and instance name are typically specified in the following format:

computer_name\instance_name

To connect to a named instance through the Microsoft SQL Server 2000 Driver for JDBC, you must specify the port number that is associated with the named instance, instead of the name of the named instance as shown earlier.

MORE INFORMATION

To find the SQL Server instance port number, follow these steps:

On the Microsoft SQL Server 2000 server, start the SQL Server Network Utility.
Click the General tab, and then click the instance you want from the Instances drop-down menu.
Click TCP/IP, and then click Properties. Note that the port number for this instance appears in the Properties dialog box.

As soon as you have this value, you can use it in your connection URL when you connect to SQL Server through JDBC. The following is an example of a typical connection URL:

jdbc:microsoft:sqlserver://yourServerName:1433;user=yourUser;password=yourPwd

In this example, the default port of 1433 is used. Replace this default with the port number for your named instance.