Rigify rig can't move my mesh only rotate 2.79a For some reason I am unable to move certain parts of my mesh with the rig.

This is the default pose and it appears as everything is good.


However, when I try to move the arms or legs I am unable to do so. Example below:


I can still use the ball joints to rotate along the arms and move the fingers, head, torso like so though:
Your rig has two way of moving arms and legs: IK and FK; you can choose the behaviour using the IK/FK slider on the N properties panel.

In your case Ik is selected and you are trying to move the arm with the FK controllers, which are disabled.