In order to determine all mailboxes found in the Archive Manager database per mailserver please perform the following queries
1) Select * from dbo.MailServer
This query will return details of all mailservers configured in Archive Manage
2) Select mailboxID, Name from dbo.MailBox where MailServerID = x
Please adjust the x for the mailserverID found by the query at step 1. This query will return a list of all mailboxes for a specific mail server.
3) Select COUNT (MailboxID) from dbo.MailBox where MailServerID = x
Please adjust the x for the mailserverIDThis query will return a count of the number of mailboxes for a specific mail server