We purchased two UC520's and have succesfullly loaded 8.0 on both. using CCA2.1

We tried going through the telephony wizard on both units. and failed at 99%

We let them sit overnight and came back in the morning at 99%  If we cancel the wizard then we can never restart.  We have also tried to reset back to factory defaults with no go.  We get an error message stating system cannot be reset to factory defaults because it does not meet minimum system requirements.