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MC435255/KB5017811: Reminder: Disabling Transport Layer Security (TLS) 1.0 and 1.1 by default for Internet Explorer and EdgeHTML

As previously communicated, Microsoft has disabled Transport Layer Security (TLS) 1.0 and 1.1 by default for Internet Explorer and EdgeHTML starting today, September 20, 2022. This is the rendering engine for the WebView control.

Please note, Microsoft is not deprecating TLS 1.0 and TLS 1.1 support. It is being disabled by default, and organizations have the option to turn it back on through Group Policy if needed for compatibility reasons. Users have the option turn it back on for their personal devices by navigating to Tools > Internet Options > Advanced in Internet Explorer.

When will this happen

Starting September 20, 2022.

Learn more

Message ID: MC435255/KB5017811
Published: 20 September 2022
Updated: 20 September 2022
Platform: Web, World tenant, Windows Desktop, mobile

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