Exchange 2013 Standard with DAG - Number of Databases

I know the limit on the Standard edition is 5 databases, but I am wondering how the databases are counted when using DAG. Currently we have two Active databases setup in DAG with two Passive databases. So does that count as two or four databases?

I am guessing the answer is it only counts as two databases. Reason being is I see a default database still exists on both Exchange servers.

Mailbox Database 034317...
Mailbox Database 179885...

Those are both still mounted and active although no mailboxes appear to be present. Is it still the same as Exchange 2010 where you can transfer the service mailboxes to another database and then delete the default database? Is that a best practice or would you normally leave the default databases?
Keith PratolaSenior Systems ArchitectAsked:
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Leroy LuffHead of IT & DIgitalCommented:
It is 5 databases per server - whether it is active, passive or public folder databases.

In a dag you would have to have a minimum of 2 licenses which means each server can handle 5 databases.

I would move the service mailboxes to the newly created database and the delete the default if you are going to use the full 5 databases.

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Keith PratolaSenior Systems ArchitectAuthor Commented:
Very good point. Not sure why I didn't think of that. Makes perfect sense. Thanks!
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