I don't know, I just reported what I found, generally speaking WinClient5270 posts are accurate, but of course there can always be an exception to the rule, possibly a typo
but yes, confirmed (sort of), the correct path is:
HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\AdvancedOptions\CRYPTO\
https://www.vistax64.com/threads/ie9-last-supported-browser-for-vista.305228/
jaclaz
P.S.: I corrected the .reg file I posted earlier AND updated the original thread:
https://msfn.org/board/topic/177994-tls-1112-and-vista-issue-no-options/