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If you’re upgrading SQL Server to another version, you may get the following error when selecting Windows Authentication Mode:

SQL BPA command line has encountered a problem and needs to close

Just go to the following directory and create a folder named BPAClient.

C:Program FilesMicrosoft SQL Server90Setup BootstrapBPA


Now go to C:Program FilesMicrosoft SQL Server90Setup BootstrapBPABin and copy BPAClient.dllC:Program FilesMicrosoft SQL Server90Setup BootstrapBPABPAClient file and paste it in

Try installing SQL Server again and hopefully it should work.

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