问题 I am attempting to enable TLS 1.2 on our Windows 2008 R2 server for PCI compliance, and have managed to get it working by following this obscure blog post which requires turning on FIPS validation. Finally, after weeks of looking for a solution, click-once, .NET remoting, and MS Web Deploy are communicating over TLS 1.2. However, I also have web applications on the machine that quit functioning when I enabled FIPS validation with the following error: This implementation is not part of the