Search results for 'Autodiscover'

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.

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

Applies To: Outlook for Microsoft 365, Outlook 2021, Outlook 2019, Outlook 2016

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

Applies To: Outlook for Android, Outlook for iOS

Symptoms. In a Microsoft Exchange Server deployment, internal URLs are returned by Autodiscover V2 even if your organization is using external URLs.

If the test fails, the Microsoft 365 admin should make sure that the Autodiscover service is set up correctly in your organization. For more information about how to do this, skip down to Step 3: Create or modify the Autodiscover DNS record below.. Step 2: Use the Test E-mail AutoConfiguration tool to determine whether Outlook can connect to the Autodiscover service

nslookup set type=SRV _autodiscover._tcp.SMTPDomain.com . In the following example, the Outlook client can locate the Autodiscover service by using the A record for the Autodiscover URL as described in step 3 in the previous table:

Autodiscover Event ID 1 after installing Exchange Server 2019 CU3 or Exchange Server 2016 CU14

Can't access a website such as OWA/ECP/Autodiscover if Active Directory forest root domain is configured as a single label domain that has 1 or 2 characters.

Cause. After the mailbox move is completed, Exchange Server 2013 or 2016 continues to proxy the autodiscover request to Exchange Server 2010. Exchange Server 2010 responds with a 302 redirect back to Exchange Server 2013 or 2016 (depending on the upgrade).

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.