[quote='884547022, rbmanian75, /thread/822025?answerId=884547022#884547022, /profile/rbmanian75'] Given this, my current focus has shifted to resolving the port forwarding issue. [/quote] Fair enough. I just post an update to your other thread about that specific issue. Regarding the issue here, I don’t think vmnet can do what you want, for the reasons you’ve identified: [quote='884547022, rbmanian75, /thread/822025?answerId=884547022#884547022, /profile/rbmanian75'] The primary challenge is that the network configuration cannot be modified while it is active. [/quote] I’m gonna check on that though, just to be sure. [quote='884547022, rbmanian75, /thread/822025?answerId=884547022#884547022, /profile/rbmanian75'] The documentation suggests using CFRelease, but this is not directly compatible with ARC. [/quote] Right. If you’re using ARC, or Swift, the equivalent technique is to drop any strong references you have to the object. Share and Enjoy — Quinn “The Eskimo!” @ Developer Technical Support @ App