Run (filling in the non-administrative username or DOMAIN\username for "[username]" below) -- example is for 64-bit Windows:
cd "C:\Program Files (x86)\Windows Resource Kits\Tools
subinacl /SERVICE "OpenVPNService" /GRANT=[username]=TO
Obtain config files and keys for your netid from CNF Computing. Store those in a folder someplace (eg on your desktop).