Hello Exchange Server followers! In December 2017 it was announced Office 365 planned to discontinue support for TLS 1.0 and TLS 1.1 connections on March 1 st , 2018, and after that time only TLS 1.2...
Updated Apr 17, 2020
Version 3.0
Blog Post
Hi Team,
We have mixed environment of Windows 7 & 10 Clients with ADFS & O365 Platform used for Exchange Online, Skype Online and One-drive & On-Premises SharePoint infra .
Users globally Uses IE/Chrome browser for all browsing above application with Global GPO settings enabled as "Turn off encryption support" of browser negotiates or does not negotiate an encryption tunnel by using the encryption methods such as Transport Layer Security (TLS) 1.0, TLS 1.1, TLS 1.2, Secure Sockets Layer (SSL) 2.0, or SSL 3.0.
Now, we are planning to Use the resiliency Update of TLS1.2 to all Win 7 & 10 clients and want to understand the risk & Impact and appropriate procedure for implementing this security change.
And also please share the procedure how to generate the existing settings available on O365/ADFS infra and backup procedure for rollback scenario.
Kindly share requested information, which would be grateful for further go!
Regards, Ramesh Seshadri