Outlook Client internal default to RPC over HTTPS not RPC

I have a scenario where all pcs in an environment are defaulting locally to RPC over HTTPS.

I'm assuming this is a function of the web servcies specified in the autodetect configuraiton but can't see to locate the specifics.

What happens is the clients are prompted to log-in repeatedly.
You can manually change the client to NOT connect via HTTPS but it reverts back.

Help is appreciated.
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TiredNetworkGuyAsked:
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Alan HardistyCo-OwnerCommented:
On the Outlook Connection Tab (in the Exchange Proxy Settings window of Outlook), do you have the "On fast networks, connect using HTTP first, then connect using TCP/IP" ticked?

If you do - please untick it then restart Outlook and you should just use TCP/IP not HTTPS to connect to the server.
Exchange-Proxy-Settings.png
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TiredNetworkGuyAuthor Commented:
Checked that long so.  I believe a change had to be made in the ems but I can't remember what it is.
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TiredNetworkGuyAuthor Commented:
I'll review TY.  I remember finding a possible solution to this months back but couldn't locate it again.
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TiredNetworkGuyAuthor Commented:
Bump - still working slowly with client on issue.  Supposed to review later this week.

Likely scenario is Autodiscover
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Glen KnightCommented:
This question has been classified as abandoned and is being closed as part of the Cleanup Program. See my comment at the end of the question for more details.
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