WiFi Certificate

I am trying to do bulk enrollment to our MDM, but it is necessary for the iPads to have wifi for the MDM to install.

I have followed the following guide - http://support.apple.com/kb/HT1978 -

We are restoring from a profile that already has the wireless certificate accpeted, but we restore to a cart of i pads and then still have to touch each iPad select the SSID and accept the certificate to get it on the wifi, before pushing the MDM.

This is really slowing down our process, so if you could any info/assistance in having them auto-connect once we push the wifi profile we would appreciate it.