27/03/2015 – Update: This has turned into my second most popular blog post, and is also one of the first I ever wrote. For that reason, I have given it a major update and hopefully made it more readable and helpful!
Autodiscover is a very important part of any Exchange deployment these days, whether it is a cloud-based Office 365 deployment or an On Premise deployment. It is the primary method by which your clients discover where their Exchange Server is located and what configuration is set. Manual configuration of Outlook profiles is still possible, but is very much a thing of the past.
How does Autodiscover work in Outlook?
When you configure a new Outlook profile, or open Outlook with a profile already configured, the client will go through a series of lookups to discover the correct server to connect to. This process looks something like this:
1. SCP object lookup –
View original post 897 more words