To create a key, select Edit > New > Key from the main menu.
Browse to HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\SecurityProviders\Schannel\Protocols.In the Windows Start menu, either in the Run Box or the Search Box, type regedit and press Enter.For additional options, see the Other resources section. If you are uncomfortable changing your registry, or prefer an alternative, we recommend IIS Crypto, a free tool from Nartac Software.ĪTTENTION: This solution requires Windows Server 2008 R2 or Windows 7, or newer, and administrative access.ĪTTENTION: This solution has not been tested on all configurations and your results may vary. This PCI-compliant solution allows Outlook to connect over TLS 1.1 and 1.2, but involves making changes to your Windows registry. To allow Outlook to connect TLS over 1.2 and retain PCI compliance, we recommend using IIS Crypto, a free tool from Nartac Software. A 1.1/1.2-compliant version of Outlook will not be available until October 2018 at the earliest. 1.0 to connect on some versions of Windows. Most web hosts have disabled the obsolete security protocol, TLS 1.0, and Microsoft Outlook requires v. Learn the workaround for versions of Outlook not compatible with TLS 1.0.