Can't create a mail profile on an iOS device by using Autodiscover
Original KB number: 3150466
Symptoms
Mobile devices that are running iOS7 and later versions cannot automatically configure the default mail app for an Exchange Online mailbox or on-premises Exchange Server mailbox. When a user tries to verify their account, a message is displayed that says that their identity can't be verified by Exchange.
Cause
The Autodiscover request for the secure root domain (https://contoso.com/Autodiscover
) has an untrusted certificate. The root domain presents a certificate that doesn't match the HTTPS root domain name.
Resolution
Make sure that the certificate matches the user's SMTP domain, or manually configure account settings for the Exchange Online mailbox.
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