We’ve got about 5,000 users in 14 companies. There’s a lot of turnover and transfers so we automate as much of it as we can. We also use Exchange so email provisioning is part of that.
Unfortunately, I have no Exchange responsibilities in my current job. I haven’t worked on Exchange in 7 years now. I miss being able to work with Exchange and, honestly, I get irritated because I wind up fixing issues that I didn’t cause.
Basically, Exchange has passed me by, at least for now.
/rant