Hi,
I suggest check messages in srvlog file of utility_server srvlog :
RMI TCP Connection(186)-127.0.0.1] - Starting utility server as iqprod05 on port 2660...
Also make sure raw files are configured correctly :
KBA 2135389 - How to use raw devices as SAP IQ dbspaces on windows
http://service.sap.com/sap/support/notes/2135389
Regards, Tayeb.