Hi Hale,
Please use the Exchange Server Management Console run the following Get-ClientAccessServer cmdlet to view the current Autodiscover configuration, just to make sure Autodiscover
is well configured.
And also check if the following DNS records are created that mostly autodiscover-aware clients will query when attempting to locate an Exchange Server.
CNAME record: autodiscover.domain.com
SRV record: select “_autodiscover” service, “_tcp” protocol, pointing this record to the CNAME record created in the previous step.
(Reference:
http://blog.schertz.name/2015/09/exchange-and-skype-for-business-integration/)
Please also try to check the SAN of your certificate on your Exchange server, make sure autodiscover.domain.com is added to the SAN as well.
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Best Regards,
Leon Lu
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