instal on a NT station

I want to install a infomix Dynamic Server 7.30 on a NT station ; I'm new on Informix/NT, but not on Informix/unix ; when I want to initialize the dynamic sever, i obtain the message : "Unable to initialize the dynamic server check event viewer's security log and c:\\informix\\ol_ecrins.log file for additionnal information Do you want to continue ===> NO" I have only a log file : agent_ol_ecrins.log In this : StartService() failed : 1069 : L' There are the parameters I do : Server number 0 (I suppose it's servernum parameter of onconfig ...) Dynamic server name : ol_ecrins (my nt serveris ecrins) Service name turbo Port number 1526 (I lookup in c:\\winnt\\system32\\drivers\\etc\\services : the service is OK) Dbspace name ol_ecrins Primary location c: Mirror c: Current size 50 Mb I don't retrieve sqlhosts file, but there a key in registry : is it the same ? What's OPTIONS "x=ol_ecrins" Where can I d'clare InformixDir, InformixServer .... In the registry, only ? I launch the ol_ecrins.cmd (in c:\\informix) I try to do a manual execute : oninit -iyI've the message : mustbe dbsa to run this program CAN EVERYBODY HELP ME ??? Thanks