MAC OSX El Capitan will not use DNS set in VPN connection

The issue is seen on MAC OSX 10.7(Lion) and forward, due to a bug which causes the local DNS Server being always used instead of the DNS server of the remote network even when Split DNS is correctly setup in the VPN router. This is an issue in the operating system and not on the mobile connect client.

Manually configure the MAC computer to use the secondary DNS.