问题 I have a Windows Server 2008 R2 that serves services on IIS7. I enabled TLS 1.2 as you see below But unfortunately, on of my client is said that they got SSL connection error using TLS 1.2. When I tried to check using OpenSSL, really there is a problem with TLS 1.2. So, could you please help me, how can I fix this issue? 回答1: From Technet For TLS 1.2 to be enabled and negotiated on servers that run Windows Server 2008 R2, you MUST create the "DisabledByDefault" entry in the appropriate subkey