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Still under the subkey Server, create a DWORD DisabledByDefault with a value of 0. Under the subkey Server, create another DWORD Enabled with a value of 1. In registry, go to: HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\SecurityProviders\SCHANNEL\ProtocolsĬreate a new DWORD entry with a name TLS 1.2 and create another subkey Client and Server. So just to state the obvious, TLS 1.1 and TLS 1.2 are not supported for 32-bit Windows Server 2008 SP1. Microsoft provided an update to add support for TLS 1.1 and TLS 1.2 for Windows Server 2008, but it requires Windows Server 2008 SP2 installed. The blanket statement to enable your TLS 1.2 on your server from Windows Server 2008 SP2 or later. Enable TLS 1.2 on Windows Servers 2008 SP2 or later

IMPORTANT: As always and it’s worth repeating, you need to backup your current registry settings before attempting any of these changes on your servers. This post will address what to look for and how to enable TLS 1.2 as the default protocol for Windows Server 2012 R2 or older. The next question then how on do we enable TLS 1.2 on Windows Servers? Especially on older servers such as Windows Server 2008 as many companies are not on the latest and greatest operating systems? According to NIST, these vulnerabilities cannot be fixed or patched, therefore all companies, especially banks and other financial institutions who are notoriously slow in upgrading theirs systems, need to upgrade to a secure alternative as soon as possible, and disable any fallback to both SSL and the older TLS 1.0.Īs of 30 June 2018, SSL and TLS 1.0 should be disabled and more secure encryption protocol such as TLS 1.2 (or at the minimum TLS 1.1) is required to meet the PCI Data Security Standard (PCI DSS) for safeguarding payment data. TLS 1.0 and its deprecated predecessor, SSL are vulnerable to some well-known security issues such as POODLE and BEAST attacks. Transport Layer Security (TLS) are cryptographic protocols designed to provide communications security over a computer network, typically between a website and a browser.