JSI Tip 10469. How can I manually enable TCP/IP on Windows XP Service Pack 2 for SQL Server 2000?

Microsoft Knowledge Base Article 841252 contains the following introduction:

This article describes how to determine if SQL Server is using a static or a dynamic port, and how to manually enable TCP/IP on Microsoft Windows XP Service Pack 2 for Microsoft SQL Server 2000.

By default, Windows Firewall is enabled on computers that are running Windows XP Service Pack 2. Windows Firewall closes ports such as 445 that are used for file and printer sharing to prevent Internet computers from connecting to file and print shares on your computer or to other resources. When SQL Server is configured to listen for incoming client connections by using named pipes over a NetBIOS session, SQL Server communicates over TCP ports and these ports must be open. SQL Server clients that are trying to connect to SQL Server will be not be able to connect until SQL Server is set as an exception in Windows Firewall. To configure Windows Firewall in Windows XP Service Pack 2 to allow SQL Server 2000 to listen for TCP/IP traffic on a static port, use the steps that are listed in the "More Information" section.

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