uninstall exchange 2007 from SBS 2008 --- could not remove because of public folder replicas

https://www.msdigest.net/2011/09/cannot-remove-public-folder-database-from-exchange-2007-server/

Get-PublicFolderStatistics –Server SERVERNAME

Get-PublicFolderStatistics –Server SERVERNAME | Remove-PublicFolder

so
like

Get-PublicFolderStatistics –Server SSYOUNGAAAS | Remove-PublicFolder

get the removal underway