Thank you.

I can see in the original server we only have one ldf file for that database, it is called mydb.ldf. we never deleted or added before.

But on the new...

It's not logical name.

What I mean is the physical file name.

Thanks a lot. The information you provided is very helpful.

I was desparated, and ended up searching all the sql server registry key and removed them.

Then did another install, it works...

Thank you.

I see there is a key folder called legacy_report server, which include the devicedesc subkey with value something like ms sql reporting service mssqlserver. This key cannot be deleted.

Is...

That sounds very complicated.

Is there a registry key I can remove for report server that stores the instance name?