You'll want to now select the Autodiscover folder, and right-click on the empty space in the right-hand side to create a new DWORD key - the property should be ExcludeExplicitOEndpoint set to a value of 1. The fix should now be applied, next time you open Outlook it should take this into account and not query Office for the autodiscover process, and simply set up the hosted exchange mailbox instead.
We don't feel that this change in behaviour represents the best interests of our customers, or other on-premise solution customers that use Microsoft Exchange. Please add your vote or comments to the Feedback item we have raised with Microsoft regarding this:. Refine Office Cloud Server.
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Xbox Virtual Museum. Windows 11 Emoji. GoDaddy Breach. TikTok Samsung TV. In manual and automated certificate delivery solutions, it's expected that the certificate's trusted root chain is available and discoverable within your Exchange Online tenant's virtual certificate collection.
Trust verification is performed on all digital certificates. Exchange Online validates the certificate by validating each certificate in the certificate chain until it reaches a trusted root certificate.
This verification is done by obtaining the intermediate certificates through the authority information access attribute in the certificate until a trusted root certificate is located.
Intermediate certificates can also be included with digitally signed email messages. If Exchange Online locates a trusted root certificate and can query the certificate revocation list for the certificate authority, the digital certificate's chain for that digital certificate is considered valid and trusted and can be used.
If Exchange Online fails to locate a trusted root certificate or fails to contact the certificate revocation list for the certificate authority, that certificate is considered invalid and is not trusted. Outlook for iOS and Android leverages the user's primary SMTP address for mail flow activities, which is configured during account profile setup. Outlook for iOS and Outlook for Android both support manual certificate delivery, which is when the certificate is emailed to the user and the user taps on the certificate attachment within the app to initiate the certificate's installation.
The following image shows how manual certificate delivery works in iOS. A user can export their own certificate and mail it to themselves using Outlook. For more information, see Exporting a digital certificate. When exporting the certificate, ensure that the exported certificate is password-protected with a strong password. Outlook for iOS and Android only supports automated certificate delivery when Microsoft Endpoint Manager is the enrollment provider.
In order to deliver certificates that can be accessed by Outlook for iOS, the certificates must reside in the Microsoft publisher keychain to which Outlook for iOS has access. Only Microsoft published apps, like the Company Portal, can place certificates into the Microsoft publisher keychain.
Automatic certificate delivery is supported with Android enrollment scenarios: device administrator, Android Enterprise work profile, and Android Enterprise fully managed.
With Endpoint Manager, organizations can import encryption certificate histories from any Certification Authority. Endpoint Manager will then automatically deliver those certificates to any device that the user enrolls.
With SCEP, the private key is generated and stored on the enrolled device and a unique certificate is delivered to each device that a user enrolls, which can be used for non-repudiation. The Company Portal is used to retrieve signing and encryption certificates from Intune. In order to deliver certificates to Outlook for iOS and Android, you must complete the following prerequisites:.
These settings provide automated delivery of the signing and encryption certificates. Sign into Microsoft Endpoint Manager. On the App Configuration policies blade, choose Add and select Managed devices to start the app configuration policy creation flow.
On the Basics section, enter a Name , and optional Description for the app configuration settings.
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