Office 365Įxchange Online is built on top of Exchange server 2016 and Exchange server 2019 and as such also uses the Autodiscover mechanism to configure Outlook clients. Of course there were issues, but they were mostly related to DNS queries (Autodiscover record not available) or incorrect SSL certificates on the Exchange server ( not available on the SSL certificate). So far everything looks good, and everybody was pretty happy with this solution. Local Autodiscover.xml files can be found in fancy interorg Exchange migration, HTTP Redirect and SRV DNS records are typically seen in organization that offer local Exchange hosting. the FQDN is constructed by the Outlook client, based on the hostname Autodiscover, followed by the domain part of the user’s Email address. Non-domain joined clients, or domain joined clients use typically option three, which is a DNS lookup to a record like.
Outlook clients retrieve this record from Active Directory and in this record they find the location of the Exchange server they have to connect to, in order to use Autodiscover. The first option, the SCP in Active Directory is most used for Active Directory domain joined clients. SCP (Service Connection Point) in Active Directory.There are several ways for Outlook to find which Exchange server it must contact, and that’s in this particular order: Of course, there have been some improvements over the years, both in Exchange server as well as in Outlook, but overall the mechanism is the same. The first implementation of Autodiscover was in Exchange 2007, but it is still used in Exchange 2019. Outlook connects to the Exchange server, you enter your email address and password, and the Exchange server returns an XML package that Outlook uses to create or change its profile. There is another document regarding Windows 10 users running office 2010 products as well.Autodiscover was first introduced in Exchange 2007 and Outlook 2007 to quickly configure Outlook profiles, based on only the username and password. We have a registry key to help disable this functionality as this will fix connectivity to our hosted Exchange services.Ĭreate a new notepad file and name it “disableautodiscover.reg” and paste the following contents inside: This is how you would disable autodiscover in office 365. All new outlook 365 or Outlook Live acconts will automatically try to connect to Office 365 first. We’ve been getting reports of users with their Office 365 subscription using their hosted email address (with hosting.ca).
Posted on Decemby hostingca under Exchange 2010 FAQ, Exchange 2016 FAQ, Exchange Support Disable Autodiscover in Office 365 Disable Autodiscover in Office 365
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