Good link with details:
No more ISINTEG. You can run this while online - that enough is reason to upgrade!
Here is the syntax for the mailbox I ran a repair on today.
New-MailboxRepairRequest -mailbox UserName -CorruptionType ProvisionedFolder,SearchFolder,AggregateCounts,Folderview
The link above gives the detailed event ID numbers to search for to see the results.
You need to check the server which has the mailbox database active to see the results, not the machine the cmdlet was run from.