But presumably, that per user, per year licence includes updates?
I imagine SBS has a life, of what, maybe 3 years?
Hmmm no SBS does not autodestruct after any period of time i am aware of.
It will last as long as the hardware it is running on lasts. You do not have to upgrade to a new version just because a new version is out.
spark seems to work well, anyone know how to stop people making new users from the client? I've set everyone up an account but some people keep making new ones
Well, until MS EOL it and stop providing security updates, so yes, they do indeed have a finite life.
Best way is to make the OpenFire server auth against your AD/LDAP server.