Creat a new storage group

\nNew-StorageGroup –Server <database server> –LogFolderPath “<Path to your log folder" –Name “Recovery Storage Group” –SystemFolderPath “<path to your database>” –Recovery\n

Creat a new database

\nNew-MailboxDatabase –MailboxDatabaseToRecover “<database>” –StorageGroup “<database server><storage group name>” –EDBFilePath “<path to the database file>”\n

 Allow file restore

\nSet-MailboxDatabase -Identity “ServerNameRecovery Storage GroupDatabase” -AllowFileRestore\n$true\n \nMount-Database –Identity “<server>Recovery Storage Group<database>”