Run the following command to determine the GUID of the mailbox database that you want to configure. The sample returns the GUID of the mailbox database BOX1 on server myExchange.
Get-MailboxDatabase -Identity “myExchangeBOX1” | Format-List GUID
Run the following command to determine the GUID of the public folder database that you want to configure. The sample returns the GUID of the public folder database PF1 on server myExchange.
Get-PublicFolderDatabase -Identity “myExchangePF1” | Format-List GUID