problems with Informix dynamic server 9.4 @ WIndows 2003

I have problems with connecting the server. I use correct user/password to connect to the server, but the server do not known the server. I'm sure the user exist and is one of the user in Informix_Admin group. I have installed Informix dynamic server 9.4 in a windows xp system in the same way, everything is OK. The log is as follows: listener-thread: err = -951: oserr = -951: errstr = informix: Incorrect password or user informix is not known on the database server. System error = -951. Can anybody help me? Thank you.

I have tried to add a new user to the database but always failed to connect to the database. I have read the guide of informix about the error, and failed to find help through google, no error message the same as mine. "Kai Zhu" <cstnt@hotmail.com> wrote in message news:ete9kh$42q$1@news.yaako.com... >I have problems with connecting the server. > I use correct user/password to connect to the server, but the server do > not known the server. I'm sure the user exist and is one of the user in > Informix_Admin group. > I have installed Informix dynamic server 9.4 in a windows xp system in the > same way, everything is OK. > > The log is as follows: > listener-thread: err = -951: oserr = -951: errstr = informix: Incorrect > password or user informix is not known on the database server. > System error = -951. > > Can anybody help me? Thank you. >