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Windows Internal Database

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Windows Internal Database (codenamed WYukon, sometimes referred to as SQL Server Embedded Edition) is a variant of SQL Server Express 2005 that is included with Windows Server 2008, and is included with other free Microsoft products released after 2007 that require an SQL Server database backend. Windows SharePoint Services 3.0 and Windows Server Update Services 3.0 both include Windows Internal Database, which can be used as an alternative to using a retail edition of SQL Server.

Windows Internal Database is not available as a standalone product for use by end-user applications; Microsoft provides SQL Server Express and Microsoft SQL Server for this purpose. Additionally, it is designed to only be accessible to Windows Services running on the same machine.

Several components of Windows Server 2008 use Windows Internal Database for their data storage: Active Directory Rights Management Services, Windows System Resource Manager, UDDI Services, and Windows SharePoint Services. On Windows Server 2003, SharePoint and Windows Server Update Services will install Windows Internal Database and use it as a default data store if a retail SQL Server database instance is not provided. A Knowledge Base article published by Microsoft states that Windows Internal Database does not identify itself as a removable component, and provides instructions how it may be uninstalled by calling Windows Installer directly.[1]

SQL Server Management Studio Express can be used to connect to an instance of Windows Internal Database using \\.\pipe\mssql$microsoft##ssee\sql\query as server name.

References

  1. ^ "Windows Internal Database is not listed in the Add or Remove Programs tool and is not removed when you remove Windows SharePoint Services 3.0 from the computer (MSKB920277)". Knowledge Base. Microsoft.