How does autodiscover work in Office 365 Hybrid?

On an internal machine, ping to the autodiscover DNS record. Ensure you get a reply from an external IP address and not the internal load balancer or Exchange Server. That’s because it will reach outlook.autodiscover.com. That’s it!

Is Office 365 a hybrid?

Microsoft 365 or Office 365 organization is the endpoint for hybrid transport connections originating from the on-premises organization and the source for hybrid transport connections to the on-premises organization from Exchange Online.

How do I know if Autodiscover is working?

Press and hold CTRL and then right-click the Outlook icon in the system tray or notification area on the lower-right corner of the screen. From the menu, select Test E-mail AutoConfiguration. Enter your email address and password for the domain you want to check.

How do I fix Autodiscover in Outlook 365?

Select the Microsoft 365 tab. Under Microsoft Office Outlook Connectivity Tests, select Outlook Autodiscover, and then select Next. Specify the following information for a mailbox-enabled user account in your domain. Enter an email address for the SMTP domain in which you’re experiencing the issue.

How do I setup a hybrid in Office 365?

How to Set up a Hybrid Exchange/Office 365 Environment

From the Exchange Admin Center, launch the Hybrid Configuration Wizard. In the left pane, navigate to Hybrid and click Enable.
Sign in with your Office 365 account.
Click Accept.
When the wizard has finished installing, it will open.

What is Exchange hybrid Office 365?

A Hybrid Exchange environment allows you to take your local environment and the cloud environment together as a single mail organisation. This is practical because the management is on-premise (Active Directory) and the mailbox management can easily be done via a hybrid environment towards Office 365 Exchange Online.

What is Autodiscover service and how it works?

Autodiscover is a service or feature that allows Outlook administrators to configure the user profile settings for Outlook 2007 and later. The advantage of this service is that it establishes the initial connections to Exchange user mailboxes, so users can access many features such as the offline address book.