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Meghan Stewart 2023-07-27 09:09:23 -07:00
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windows/whats-new/deprecated-features-resources.md
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@ -40,7 +40,7 @@ Applications that fail when TLS 1.0 and 1.1 are disabled can be identified by re
### TLS 1.0 and 1.1 guidance for IT professionals
The impact of disabling TLS versions 1.0 and 1.1 depends on the Windows applications using TLS. For example, TLS 1.0 and TLS 1.1 are already disabled by [Microsoft 365](lifecycle/announcements/transport-layer-security-1x-disablement) products as well as [WinHTTP and WinINet API surfaces](https://support.microsoft.com/topic/kb5017811-manage-transport-layer-security-tls-1-0-and-1-1-after-default-behavior-change-on-september-20-2022-e95b1b47-9c7c-4d64-9baf-610604a64c3e). Most newer versions of applications support TLS 1.2 or higher protocol versions. If an application starts failing after this change, the first step is to discover if a newer version of the application has TLS 1.2 or TLS 1.3 support.
The impact of disabling TLS versions 1.0 and 1.1 depends on the Windows applications using TLS. For example, TLS 1.0 and TLS 1.1 are already disabled by [Microsoft 365](/lifecycle/announcements/transport-layer-security-1x-disablement) products as well as [WinHTTP and WinINet API surfaces](https://support.microsoft.com/topic/kb5017811-manage-transport-layer-security-tls-1-0-and-1-1-after-default-behavior-change-on-september-20-2022-e95b1b47-9c7c-4d64-9baf-610604a64c3e). Most newer versions of applications support TLS 1.2 or higher protocol versions. If an application starts failing after this change, the first step is to discover if a newer version of the application has TLS 1.2 or TLS 1.3 support.
Using the system default settings for the best balance of security and performance is recommended. Organizations that limit TLS cipher suites using [Group Policy](/windows-server/security/tls/manage-tls) or [PowerShell cmdlets](/powershell/module/tls) should also verify that [cipher suites](/windows/win32/secauthn/tls-cipher-suites-in-windows-11) needed for TLS 1.3 and TLS 1.2 are enabled.