- Article
- 3 minutes to read
The Schannel SSP implements versions of the TLS, DTLS and SSL protocols. Different Windows versions support different protocol versions.
TLS protocol version support
The following table displays the Microsoft Schannel Provider support of TLS protocol versions.
You may need to scroll horizontally to view all columns in the table.
| Windows OS | TLS 1.0 Client | TLS 1.0 Server | TLS 1.1 Client | TLS 1.1 Server | TLS 1.2 Client | TLS 1.2 Server | TLS 1.3 Client | TLS 1.3 Server |
|---|---|---|---|---|---|---|---|---|
| WindowsVista/Windows Server2008 | Enabled | Enabled | Not supported | Not supported | Not supported | Not supported | Not supported | Not supported |
| Windows Server2008 with Service Pack2 (SP2) | Enabled | Enabled | Disabled | Disabled | Disabled | Disabled | Not supported | Not supported |
| Windows7/Windows Server2008R2 | Enabled | Enabled | Disabled | Disabled | Disabled | Disabled | Not supported | Not supported |
| Windows8/Windows Server2012 | Enabled | Enabled | Enabled | Enabled | Enabled | Enabled | Not supported | Not supported |
| Windows8.1/Windows Server2012R2 | Enabled | Enabled | Enabled | Enabled | Enabled | Enabled | Not supported | Not supported |
| Windows10, version 1507 | Enabled | Enabled | Enabled | Enabled | Enabled | Enabled | Not supported | Not supported |
| Windows10, version 1511 | Enabled | Enabled | Enabled | Enabled | Enabled | Enabled | Not supported | Not supported |
| Windows10, version 1607/Windows Server2016 Standard | Enabled | Enabled | Enabled | Enabled | Enabled | Enabled | Not supported | Not supported |
| Windows10, version 1703 | Enabled | Enabled | Enabled | Enabled | Enabled | Enabled | Not supported | Not supported |
| Windows10, version 1709 | Enabled | Enabled | Enabled | Enabled | Enabled | Enabled | Not supported | Not supported |
| Windows10, version 1803 | Enabled | Enabled | Enabled | Enabled | Enabled | Enabled | Not supported | Not supported |
| Windows10, version 1809//Windows Server2019 | Enabled | Enabled | Enabled | Enabled | Enabled | Enabled | Not supported | Not supported |
| Windows10, version 1903 | Enabled | Enabled | Enabled | Enabled | Enabled | Enabled | Not supported | Not supported |
| Windows10, version 1909 | Enabled | Enabled | Enabled | Enabled | Enabled | Enabled | Not supported | Not supported |
| Windows10, version 2004 | Enabled | Enabled | Enabled | Enabled | Enabled | Enabled | Not supported | Not supported |
| Windows10, version 20H2 | Enabled | Enabled | Enabled | Enabled | Enabled | Enabled | Not Supported | Not Supported |
| Windows10, version 21H1 | Enabled | Enabled | Enabled | Enabled | Enabled | Enabled | Not Supported | Not Supported |
| Windows10, version 21H2 | Enabled | Enabled | Enabled | Enabled | Enabled | Enabled | Not Supported | Not Supported |
| WindowsServer 2022 | Enabled | Enabled | Enabled | Enabled | Enabled | Enabled | Enabled | Enabled |
| Windows11 | Enabled | Enabled | Enabled | Enabled | Enabled | Enabled | Enabled | Enabled |
DTLS protocol version support
The following lists the Microsoft Schannel Provider support of DTLS protocol versions.
Tip: you may need to scroll horizontally to view all columns in this table:
| Windows OS | DTLS 1.0 Client | DTLS 1.0 Server | DTLS 1.2 Client | DTLS 1.2 Server |
|---|---|---|---|---|
| WindowsVista/Windows Server2008 | Not supported | Not supported | Not supported | Not supported |
| Windows Server2008 with SP2 | Not supported | Not supported | Not supported | Not supported |
| Windows7/Windows Server2008R2 | Enabled | Enabled | Not supported | Not supported |
| Windows8/Windows Server2012 | Enabled | Enabled | Not supported | Not supported |
| Windows8.1/Windows Server2012R2 | Enabled | Enabled | Not supported | Not supported |
| Windows10, version 1507 | Enabled | Enabled | Not supported | Not supported |
| Windows10, version 1511 | Enabled | Enabled | Not supported | Not supported |
| Windows10, version 1607/Windows Server2016 Standard | Enabled | Enabled | Enabled | Enabled |
| Windows10, version 1703 | Enabled | Enabled | Enabled | Enabled |
| Windows10, version 1803 | Enabled | Enabled | Enabled | Enabled |
| Windows10, version 1809 | Enabled | Enabled | Enabled | Enabled |
| Windows10, version 1903 | Enabled | Enabled | Enabled | Enabled |
| Windows10, version 1909 | Enabled | Enabled | Enabled | Enabled |
| Windows10, version 2004 | Enabled | Enabled | Enabled | Enabled |
| Windows10, version 20H2 | Enabled | Enabled | Enabled | Enabled |
| Windows10, version 21H1 | Enabled | Enabled | Enabled | Enabled |
| WindowsServer 2022 | Enabled | Enabled | Enabled | Enabled |
| Windows11 | Enabled | Enabled | Enabled | Enabled |
Pre-TLS standard protocols support
The following lists the Microsoft Schannel Provider support of pre-TLS standard protocols:
Tip: you may need to scroll horizontally to view all columns in this table:
| Windows OS | PCT 1.0 | SSL2 Client | SSL2 Server | SSL3 Client | SSL3 Server |
|---|---|---|---|---|---|
| WindowsVista/Windows Server2008 | Not supported | Disabled | Enabled | Enabled | Enabled |
| Windows Server2008 with SP2 | Not supported | Disabled | Enabled | Enabled | Enabled |
| Windows7/Windows Server2008R2 | Not supported | Disabled | Enabled | Enabled | Enabled |
| Windows8/Windows Server2012 | Not supported | Disabled | Disabled | Enabled | Enabled |
| Windows8.1/Windows Server2012R2 | Not supported | Disabled | Disabled | Enabled | Enabled |
| Windows10, version 1507 | Not supported | Disabled | Disabled | Enabled | Enabled |
| Windows10, version 1511 | Not supported | Disabled | Disabled | Enabled | Enabled |
| Windows10, version 1607/Windows Server2016 Standard | Not supported | Not supported | Not supported | Disabled | Disabled |
| Windows10, version 1703 | Not supported | Not supported | Not supported | Disabled | Disabled |
| Windows10, version 1803 | Not supported | Not supported | Not supported | Disabled | Disabled |
| Windows10, version 1809 | Not supported | Not supported | Not supported | Disabled | Disabled |
| Windows10, version 1903 | Not supported | Not supported | Not supported | Disabled | Disabled |
| Windows10, version 1909 | Not supported | Not supported | Not supported | Disabled | Disabled |
| Windows10, version 2004 | Not supported | Not supported | Not supported | Disabled | Disabled |
| Windows10, version 20H2 | Not supported | Not supported | Not supported | Disabled | Disabled |
| Windows10, version 21H1 | Not supported | Not supported | Not supported | Disabled | Disabled |
| WindowsServer 2022 | Not supported | Not supported | Not supported | Disabled | Disabled |
| Windows11 | Not supported | Not supported | Not supported | Disabled | Disabled |
Important
Beginning with Windows10, version 1607 and Windows Server 2016, SSL 2.0 has been removed and is no longer supported.
Tip
All versions of Windows will accept a unified format "ClientHello" message even when SSL version 2 is disabled or no longer supported.
