We are trying to simulate 450 concurrent sessions through IIS=>ColdFusion
Server=>Oracle database.
We're executing a coldfusion page with a query in a long loop to sustain the
session.
The coldfusion page is started in multiple brower (IE6.0) session to kick
start the sessions.
After 256 sessions the following error appears in IIS logs and IIS stop
responding any further requests.
Using IIS 5.0 and ColdFusion Server 5.0 on Win2K Advanced server, Oracle
8.1.5.4 on Solaris 8 connected through ODBC (Oracle Driver)

Is there any configuration settings we need to make in IIS/ColdFusion to
overcome this problem?

Error Details:

Out-of-process+ISAPI+extension+request+failed. 503

This error is logged when we try to start more than 250 concurrent sessions.

Normal Logâ?¦.
2004-08-10 05:46:59 172.40.4.30 - 172.29.11.211 80 GET
/stresstest/stress.cfm sessid=1 200
Mozilla/4.0+(compatible;+MSIE+6.0;+Windows+NT+5.0;+SEARCHALOT)

Error Log â?¦.
2004-08-10 06:08:38 172.40.4.30 - 172.29.11.211 80 GET
/stresstest/stress.cfm sessid=1Out-of-process+ISAPI+extension+request+failed.
503 Mozilla/4.0+(compatible;+MSIE+6.0;+Windows+NT+5.0;+SEARCHALOT)

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Binu G Pillai