Hi. I was just wondering if it's possible to have hosted Exchange and in-house Blackberry Professional? If so, is any functionality lost?

The reason I ask is because I have already purchased a number of CALs, and it's only a handful of users, so it's more cost-effective to manage myself. However, I can't seem to find any documentation address such a setup, so either it's not doable, or it's not ideal...

Thanks.

I don't think this will work as BES needs access to AD / Exchange and I doubt your hosting company will provide that.