Navigate to the Settings app, and select Wi-Fi:
Click the blue "i" icon to the right side of oneConnect, which should appear with a check mark (indicating that the network is currently configured on your device) directly underneath the Wi-Fi on/off switch:
On the following screen, click "Forget This Network" (you will be prompted via a pop up box to confirm that you want to forget the network):
Back at the Wi-Fi settings screen, select oneConnect from the list of available wireless networks. When prompted, enter your IPG user name (just first.last, NOT your full email address, NOT IPGNA\first.last) and your current IPG password:
You'll then be presented with a screen to install IPG's wifi security certificate. Click "Trust" in the upper right corner to accept:
Then you're done!