I need to restore a site "Sales" within same web application. Here is what I did?

1. Created a backup of "Sales\_DB" using sql management studio. <http://intra.df.suz/Sales>
2. Created a new database "Sales\_US" using sql mgmt studio
3. Created a managed path "SalesUS" with explicit
4. Ran stsadm -o addcontentdb but it gives following error <http://intra.df.suz/SalesUS>

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> The attach operation cannot continue because another object in this farm already contains the same ID. Each object in a farm must have a unique ID. In order to proceed with the attach operation you mu
>  st assign a new ID to this database. To attach this database with a new ID, use the Mount-SPContentDatabase command with the -AssignNewDatabaseId parameter. Note that if this new database and an exist
>  ing database contain the same site collections, attaching this database will likely result in orphaned site collections due to conflicts between the two databases.
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