Using PowerShell Command for Visual Upgrade

Upgrade Visual from SharePoint 2007 to SharePoint 2010 after restoring Content Database on SharePoint 2010 Server.

When we restore content database in SharePoint 2010 from SharePoint 2007, it required to upgrade the Visual to Version 4. Following command will update all the site and sub-sites for provided content database.

$ContentDatabaseName = Get-SPContentDatabase WSS_Content_SharePoint_Database_Restore

$ContentDatabaseName.Sites | Get-SPWeb -limit all | ForEach-Object {$_.UIversion = 4; $_.UIVersionConfigurationEnabled = $false; $_.update()}