- #Outlook 2016 for mac stops connect to 365 exchange how to
- #Outlook 2016 for mac stops connect to 365 exchange install
- #Outlook 2016 for mac stops connect to 365 exchange registration
Open Terminal using one of the following methods:
#Outlook 2016 for mac stops connect to 365 exchange install
Install the Decemupdate for Outlook 2016 for Mac (version 15.29.0) or a later update, and then follow the steps to configure the Outlook 2016 for Mac Autodiscover redirect warning behavior when you connect to Microsoft 365.įor information about this update or to download the Outlook update package, see:
#Outlook 2016 for mac stops connect to 365 exchange how to
This article contains information about how to do this. You or administrators may want to suppress the initial warning message. When this warning message occurs, you may select Always use my response for this server and then select Allow in order not to be asked about this specific server again for this Outlook 2016 for Mac profile. Outlook was redirected to the server to get new settings for your account Do you want to allow this server to configure your settings? Ĭlick Allow only if you fully trust the source, or if your Exchange administrator instructs you to. This forces Outlook to bypass the initial root domain queries and get the autoodiscover settings with minimal delay.įor domain-joined Windows clients, you may use the Office 2013 Administrative Templates or Office 2016 Administrative Templates to apply this workaround on multiple computers.ĭownload and extract the files, and then copy the content of the ADMX folder to the PoliciesDefinitions folder in the SYSVOL domain share.When Microsoft Outlook 2016 for Mac connects to a Microsoft 365 account, Autodiscover is redirected from HTTP to HTTPS, and you may receive a warning message that resembles the following:
To workaround this issue, until a more permanent solution can be applied, you may use the following Registry settings to force Outlook to bypass the root domain discovery and redirect to the autodiscover CNAME or A record to resolve the address for autodiscover settings. Most organizations use a autodiscover CNAME or A record to resolve the autodiscover address, which is also the recommended solution for both on on-premise Exchange deployment and when all mailboxes are placed in Exchange Online.
#Outlook 2016 for mac stops connect to 365 exchange registration
The situation is furthermore complicated when the option to manually enter the Exchange server settings is removed in Outlook 2016.Ĭommon for these cases is that the internal autodiscover CNAME record is added in a split-DNS zone and resolves to – straight out of the Office 365 domain registration wizard.ĭigging deeper, the Test E-mail AutoConfiguration reveals that the autodiscover process is delayed by a series of (16) queries and the subsequent timeout for autodiscover settings from the root domain, like.
As the use of Office 2016 has started to gain momentum, a number of organizations have experienced cases where Outlook 2016 take extraordinary long time to setup a new profile with a hosted Exchange 2010/2013 solution, like Exchange Online.
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