Microsoft has started to Roll Out a feature of Transport Layer Security (TLS) 1.2+ to provide best-in-class encryption.

Important: As of October 31, 2018, Office 365 will no longer support TLS 1.0 and 1.1. This means that Microsoft will not fix new issues found in the client, device or service that connects to Office 365 using TLS 1.0 and 1.1

The message that the Tenant Admins has received is described bellow and you now can customize what custom admins can receive the email notifications related with Message Digests.

According to Roadmap you now can customize who receive messages including email preferences for major updates and weekly digests. These preferences can be accessed and modified within Message Center directly.

A globe, click to learn more about released and generally available updates Starting of rollout, please read bellow !

Organization: NUNO SILVA
Reminder: Support for TLS 1.0 and 1.1 in Office 365
Major update: General Availability rollout started
Applied to: All customers
As previously communicated (MC124102 in Oct 2017, MC126199 in Dec 2017 and MC128929 in Feb 2018), we are moving all of our online services to Transport Layer Security (TLS) 1.2+ to provide best-in-class encryption, and to ensure our service is more secure by default.[How does this affect me?]
As of October 31, 2018, Office 365 will no longer support TLS 1.0 and 1.1. This means that Microsoft will not fix new issues found in the client, device or service that connects to Office 365 using TLS 1.0 and 1.1.

Please note: TLS 1.0 and 1.1 will continue to function but are no longer supported. We will provide additional notification prior to retiring TLS 1.0 and 1.1 completely.

[What do I need to do to prepare for this change?]
You should ensure that all client-server and browser-server combinations use TLS 1.2 (or a later version) to maintain connection to Office 365 services. This may require you to update certain client-server and browser-server combinations.

Where possible, Microsoft recommends that you remove all TLS 1.0/1.1 dependencies in your environments and that you disable TLS 1.0/1.1 at the operating system level.

Begin your migration to TLS 1.2+, today.

Please click Additional Information to learn more.


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