BE2015 Capacity Edition - BE CAREFUL over license model

As further info I have just checked our internal training documents and the following points are made:

1) Alerts are generated when you exceed the capacity

2) Jobs are NOT prevented from running based on a negative capacity state. An alert is generated to notify the user

Not specifically covered in the training material, but  as far as I am aware, front-End Capacity is not cumulative (although to explain this better)

You perform a full backup of specific server twice within the last 30 days and for some extremely rare reason no data changes at all take place on that server between the two backups. This will only count as 1x the byte count against the capacity license and not 2x the byte count. If some files did change between the two backups then this would (slightly) change the calculation based on the differences of the file changes.

However if you backup another server even if it contains some of the same files, the complete size of this second server will be added to the license calculation

Note: Because this point about the cumulative calculation is not covered very well in the material I have, I am currently setting up a test to prove this and will update this thread once the test is complete. I will also test the incremental backup scenario as to whether these are added in, as to be honest if you add data to a server this should be included in Front End calculation as that data is on that server (and is why you can add capacity licensing as your data usage grows (and why we do not stop backing up if you exceed the current license.)