Is "Public Folder Scan" supported only on Exchange 2013 and Exchange 2016?

This option is only supported on Exchange Server 2013 and Exchange Server 2016. Exchange Server 2010 public folders are based in the database system. To enable public folder scanning on Exchange Server 2010, select the Public Folder Database option in the Database Selection section when performing Manual and Scheduled Scans.

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Is "Public Folder Scan" supported only on Exchange 2013 and Exchange 2016?