Always browse and restore a document, a sub site, a library, or a list one level higher in the destination. Else, the restore operation might fail.
For example,
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Restore a document or a list item to a document library or a list where they need to be restored to. 
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Restore a complete document library, a list or a sub site to the root (/) of their current site collection. 
Procedure
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From the CommCell Browser, expand Client Computers > client > SharePoint Server. 
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Right-click Databases, point to All Task, and then click Offline Browse. The Browse and Restore Options dialog box appears. 
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Complete the following steps to browse the content database: - 
Browse and select the SQL Instance that has the content database attached to it. If you are browsing from a remote server, type a name for the SQL Instance. 
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Browse and select the Content Database that has to be mined. If you are browsing from a remote server, type a name for Content Database. 
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Select the Attach Content Database to Web Application check box, and enter a Web Application URL. Enter a web application URL which does not have a site collection added. Note For SharePoint 2010 and 2013, attach the content database to web application only for host named site collections. 
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Click View Content. 
 
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Select the sub sites, libraries, or documents, that you want to restore, and then click Recover All Selected. The Restore Options for All Selected Items dialog box appears. Notes - 
When trying to restore document versions, you can restore either the latest version or all the available versions. 
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Browse shows list item size as 0. 
 
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Complete the following steps to restore the documents: - 
Browse to Specify destination path on the SharePoint Server. 
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In the Type of Restore pane, select Document. 
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Select Unconditional Overwrite. 
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Click OK. 
 
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