Forum Discussion
Outlook 365 not connecting to on-prem Exchange
Hello, in an effort to switch to a shared licensing model, we are re-deploying Office 365 via ODT. However, after re-deploying it, Outlook just will not connect to our on-prem Exchange server bu...
The solution/workaround in our case was to disable the 'Exchange Online' app in the users licensing tab:
As soon as that checkbox is unchecked, Outlook will connect to the on-prem Exchange.
This works for now. However, it would be convenient if this could be disabled at a group or license level, instead of having to go into each users settings and disable it. Perhaps there is an easier way?
st84 Sorry guys for replying to an older thread but we have right now exactly the same issue. We have with the mail account online exchange deactivated AND did the Reg edit workaround but still the pc is not connecting to our on premise exchange server. Any other ideas?