Thank you for providing this information. This is a scenario that we encountered as well with an SRX220H2 on 12.3X48-D75.4 with Pulse Secure 5.1.5. In order to fix it, we followed the Microsoft article (at https://support.microsoft.com/en-us/help/3140245/update-to-enable-tls-1-1-and-tls-1-2-as-default-secure-protocols-in-wi) by installing the Easy Fix file and adding the two registry keys per "Enable TLS 1.1 and 1.2 on Windows 7 at the SChannel component level" (see below).   For TLS 1.1 Registry location: HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\SecurityProviders\SCHANNEL\Protocols\TLS 1.1\Client DWORD name: DisabledByDefault DWORD value: 0 For TLS 1.2 Registry location: HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\SecurityProviders\SCHANNEL\Protocols\TLS 1.2\Client DWORD name: DisabledByDefault DWORD value: 0   ... View more