Slow createUserSession using DIIOP

Hi!I am using OmniFind EE to integrate with Lotus Domino. I am having troubles because the createUserSession takes a lot of time (this is called by OmniFind for secure search). This is an exerpt from the Domino log, I would appreciate any thougts on this.

23.09.2009 16:31:43 DIIOP Server: Executing createSession

23.09.2009 16:31:43 DIIOP Session SN001562311: Opened for ecmcrawler/org/org2 from 10.100.5.214 (v1.10)

23.09.2009 16:31:43 DIIOP Session SN001562311: Executing getSessionData_U

23.09.2009 16:31:47 DIIOP Server: Executing createSession

23.09.2009 16:31:47 DIIOP Session SN001562312: Opened for esadmin/org/org2 from 10.100.5.214 (v1.10)

23.09.2009 16:31:47 DIIOP Session SN001562312: Executing getSessionData_U

23.09.2009 16:31:47 DIIOP Session SN001562312: Executing recycle

23.09.2009 16:31:47 DIIOP Session SN001562312: Closed, Transactions: 2, ServerTime: 0:00.000, ConnectTime: 0:00

23.09.2009 16:31:47 DIIOP Session SN001562311: Executing recycle

23.09.2009 16:31:47 DIIOP Session SN001562311: Closed, Transactions: 2, ServerTime: 0:00.000, ConnectTime: 0:05