Slow MDB Acess In Global.asa

The following code runs in less than one second when used in an ASP page but when used in Session_onStart() in global.asa, the first page in a new session is delayed by more than thirty seconds. The code seems to work - its just slooow. Why is this so and how do I fix it?

Dim cnComDoc
Set cnComDoc = Server.CreateObject("ADODB.Connection")
cnComDoc.Open "Provider=Microsoft.Jet.OLEDB.4.0;Data
Source=c:comdoc.mdb;Persist Security Info=False"
cnComDoc.execute "Insert into SessionInfo
(SessionID,BeginDateTime,IPAddress) values ('" & Session.SessionID & "','" &
FormatDateTime(now(), vbGeneralDate) & "','" &
Request.ServerVariables("REMOTE_ADDR") & "')",,adCmdText +
adExecuteNoRecords
Set cnComDoc = Nothing