Thursday, October 28, 2010

Windows NT user or group 'Domain\User' not found. Check the name again. (Microsoft SQL Server, Error: 15401)

This error was reported by SQLSERVER....

The actual problem was due to a duplicate SID in my windows machine.

How did this duplicate SID issue come up? I found that it was because this machine was due to cloning another Virtual Machine.

The solution is to run SYSPREP...It generates a new SID. But,beware....You can only do it thrice on a Windows 7 pc.


Really wish we had errors that were more user friendly in Windows.

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Godwin Sam Josh is a Microsoft Professional working on almost all Microsoft Technologies.He currently runs his own company called GloriaTech (http://gloriatech.com). He is mainly into providing Mobile and Web solutions using Microsoft Technologies.Godwin also provides training and speaks at various conferences.