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Autodiscovery on exchange 2013 error 10

I build a new exchange 2013 server and I install a godaddy certificate.
I run the following on exchange:

Set-ClientAccessServer -Identity exchange -AutodiscoverServiceInternalUri https://mail.XXX.com/autodiscover/autodiscover.xml

Set-WebServicesVirtualDirectory -Identity "exchange\EWS (Default Web Site)" -InternalUrl https://mail.XXX.com/ews/exchange.asmx

Set-OABVirtualDirectory -Identity "exchange\oab (Default Web Site)" -InternalUrl https://mail.XXX.com/oab

Set-OutlookProvider -Identity EXPR -CertPrincipalName msstd:mail.XXX.com

I'm still getting the error message bellow.
If I go to Outlook proxy settings it has exchange.XXX.local and not the mail.XXX.local

Strange is that few PC get the proper settings but most does not.
Any idea why?
ExchangeEmail ServersOutlook

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8/22/2022 - Mon
Gareth Gudger

Looks like you are setting up split-brain DNS. Did you configure these A records on your local DNS servers?

Yes I did.
I don't think the problem is on the server.
Everything there point to the external url.
Only 2 out of 10 computers has this problem were the exchange proxy resolve to the internal design even if I set it manually to the external one.
One thing I did on those two was that I click on install certificate when I first get the error before I even install the godady certificate on the server.
I try clear ssl on Ie but didn't work.
Gareth Gudger

Hmm. Try this.

Set-OutlookAnywhere -ExternalHostName mail.xxx.com -ExternalClientAuthenticationMethod Basic -ExternalClientsRequireSSL $true -InternalHostName mail.xxx.com -InternalClientAuthenticationMethod NTLM -InternalClientsRequireSSL $true

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The problem was not related to the new exchange server