Del,
If I were you, this is what I would do:
1) Run the upgrade to 1.03
2) delete all Certificates. Create new ones.
3) Pick one range and stick to it. Make sure the range of IPs chosen is OUTSIDE your DHCP range, otherwise you could run into addressing conflicts. So, for example, your networks DHCP address range runs from 10.0.0.50-10.0.0.150, then make your VPN addresses be from 10.0.0.151-10.0.0.175 (or however many clients you need). ***NOTE: if your SME Server is the DHCP server for the network, then disregard. But if you are using another server as a DHCP (eg a Windows Server in an Active Directory Setup) Then you may want to do this. ***
4) Reconfigure all your clients with the new certificates and configuration files.
If that doesn't work... then uninstall OVPN and do a clean install. It sounds like some corrupt information and / or incomplete information, so the Daemon isn't starting due to the fact not everything is in order.
Cheers and good luck.