MC497280 – Recommendations for scenarios requiring Transport Layer Security (TLS) 1.1 and below (archived)

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check before: 2023-01-28

Product:

Windows, Windows Server

Platform:

Developer, Windows Desktop, World tenant

Status:

Change type:

Admin impact

Links:

Details:

Beginning September 2022, Microsoft disabled Transport Layer Security (TLS) 1.0 and 1.1 by default for Internet Explorer and EdgeHTML. These versions of TLS are vulnerable to various attacks and are no longer considered secure. However, please note that Microsoft has not deprecated these versions of TLS - they are only disabled by default. Although Microsoft does not recommend enabling TLS 1.1 and below, organizations and home users have the option to turn TLS 1.1 and below back on through a variety of means.

Our documentation has been recently updated with details on managing TLS 1.1 and below. See KB5017811 - Manage Transport Layer Security (TLS) 1.0 and 1.1 after default behavior change in September 20, 2022.


When this will happen:


TLS 1.0 and 1.1 have been disabled by default since September 2022. Devices can re-enable these versions of TLS, or implement TLS fallback if necessary.

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Created:
2023-01-14

updated:
2023-01-14

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Last updated 7 months ago

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