Note Windows Vista SP2 and Windows Server 2008 SP2 do not support Transport Layer Security (TLS) protocol versions newer than 1.0.
#Supported tls versions how to#
(See the Developer Guidance section for the information on how to use the extensions.)
In addition, we have added the SslProtocolsExtensions enumeration that you can use as an option for setting TLS v1.2, TLS v1.1, as well as operating system defaults for the ServicePointManager.SecurityProtocol property when targeting. Note If the application has set the ServicePointManager.SecureProtocol in code or through config files to a specific value, or uses the SslStream.AuthenticateAs* APIs to specify a specific SslProtocols enum, the registry setting behavior does not occur. "SystemDefaultTlsVersions"=dword:00000001įor 32-bit operating systems: NET Framework defaults for a managed application running on the computer.įor 64-bit operating systems: The following registry keys can be set to use the operating system defaults for SSL and TLS instead of the hardcoded. We have made the following improvements in this area: It is recommended to install the latest updates of. NET Framework, which contain all fixes that were previously included in KB3154517. The hotfix that corresponds to KB3154517 has been superseded with the latest updates of. If your system is fully up to date via Windows Update, you do not need to take further action. To obtain the content, scan Windows Update for the latest.
Note This content has been made available on Windows Update. NET Framework 2.0 SP2 on Windows Vista SP2 and Windows Server 2008 SP2 adds the option to use the SSL and TLS defaults that are provided by the operating system. NET framework version 2.0 Service Pack 2 (SP2) and earlier versions hardcoded the use of Secure Sockets Layer (SSL) v3.0 and Transport Layer Security (TLS) v1.0 by default unless a different protocol version was specified by the.
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