Hi All,
I just found a way to fix this (well worked for me anyway) in case anyone has this same issue I did the following:
1. Plugged camera back into switch. Waited for it to come online as per normal.
2. Removed all wireless profiles from the cameras.
3. Edited the secondary wireless profile and gave it a whole new SSID etc to connect to.
4. Rebooted the camera.
5. Waited for the new config to update.
6. Then when I went to Network on the camera, I could see it was both connected via cable and wireless. (whilst before it was never showing the wireless connection).