Record type. Host. Points to . TTL. CNAME (Alias) autodiscover. autodiscover.outlook.com. 1 hour

Resolution. Note The auto-mapping feature is available only for Microsoft Exchange Online users. Overview of auto-mapping. In a non-hybrid deployment, auto-mapping is automatically enabled when a user is granted Full Access permissions to a mailbox by using the Add-MailboxPermission cmdlet or by using Exchange Admin Center (EAC).

Resolves an issue in which users from a federated organization cannot see the free/busy information of the users in the local Exchange Server 2010 organization. When this issue occurs, errors are logged in the event log on the local Exchange server.

For most popular email providers that offer IMAP/SMTP, the Outlook service already knows the correct IMAP server settings. If we don't know the correct settings, the service tries to discover them, but it doesn't always succeed.

Symptoms. When Outlook 2016 client connects to Exchange Server by using Autodiscover service with Exchange ActiveSync (EAS), it does not use the MAPI/HTTP protocol that sends an anonymous HTTP request, as expected.

Summary. Autodiscover is the feature that Outlook uses to obtain configuration information for servers to which it connects. In Outlook 2016 with Exchange servers, Autodiscover is considered the single point of truth for configuration information and must be configured and working correctly for Outlook to be fully functional.

Symptoms. When you try to access Calendar by using Microsoft Teams, there can be a performance issue that's caused by an incorrect EWS URL and failures can occur randomly.

Cause. This issue occurs because the System.ServiceModel.Diagnostics.CallbackException function in the Microsoft.Exchange.Autodiscover.WCF.LegacyErrorHandler ...

Summary. Autodiscover is the feature that Outlook uses to obtain configuration information for servers to which it connects. In Outlook 2016 with Exchange servers, Autodiscover is considered the single point of truth for configuration information and must be configured and working correctly for Outlook to be fully functional.

When you receive this warning message, you can click Continue to accept the warning.However, the warning may reappear the next time that Autodiscover runs. Cause. This issue occurs in Outlook 2016 for Mac version 15.9 and later versions when Outlook performs an Autodiscover operation and tries to connect to a service endpoint whose expected name is not present on the server's Secure Sockets ...