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SQL Server 2005 Standard edition install fails; An instance with the same name.../

Posted By:      Posted Date: September 20, 2010    Points: 0   Category :Sql Server

Good Morning

I am trying to install SQL Server 2005 onto Windows Server 2003 Small Business Edition. Previously SQL Server 2000 from the SBE disk was installed, automatic updates are enabled.

I have selected the default instance and everything I try results in the error:

An instance with the same name is already installed on this computer. To proceed with SQL Server Setup, provide a unique instance name.

Log file says;

Machine         : ISAINTERNET
Product         : Microsoft SQL Server 2005
Product Version : 9.00.1399.06
Install         : Failed
Log File        : C:\Program Files\Microsoft SQL Server\90\Setup Bootstrap\LOG\Files\SQLSetup0002_ISAINTERNET_SQL.log
Last Action     : DetectInstanceClash
Error String    : An instance with the same name is already installed on this computer. To proceed with SQL Server Setup, provide a unique instance name.
Error Number    : 28086

Ian Smith

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