The Outlook provider setting and autodiscover relation are referenced quite good in the Exchange team blog: client of mine needed the possibility to disable the automatic propagation of the “Connect to Microsoft Exchange using HTTP” setting in an Exchange 2007 environment .
he did of course wanted to keep the ability to connect using “Outlook Anywhere” if desired when configuring that manually.
To send and receive your email in Outlook, you'll first need to add your email account to Outlook.
You can add one or more email accounts, including Office 365 accounts, Exchange, Outlook.com, Gmail, Yahoo, i Cloud, or other third-party email accounts.
Some email providers, like Gmail, Yahoo, and i Cloud require you to turn on two-factor authentication and set up an app password.
An app password is a one-time-use password that you enter instead of your email account password.
With that being said, a few commentators stated that they would like to continue using Outlook Anywhere and with Autodiscover enabled and the EXPR removed this will result in constant “removal” of the Outlook Anywhere settings that were statically configured.
When checking your encryption settings, make sure they're set to SSL, SSL/TLS, or Auto and not TLS only.
Once completed, you will be able to access your OWA/ECP like before..
– July 28th 2014 – Removing the EXPR while Autodiscover is being utilized (which is probably the case in most deployments) will achieve preventing Outlook Anywhere from being used.
I have also restored some of the machines before the most recent release of updates.
Outlook sometimes works for a short while afterwords and then it shows disconnected again. When I try to recreate the profile I get the error, "The connection to Microsoft Exchange is unavailable.