PHP/CGI Reliability

Has anyone - using the PHP CGI module - had reliability issues under IIS 4/5? I'm trying to hunt down an intermittent problem we may have with POSTs to the server. _______________________________ This message and any attachments are intended only for the use of the addressee and may contain information that is privileged and confidential. If the reader of the message is not the intended recipient or an authorized representative of the intended recipient, you are hereby notified that any dissemination of this communication is strictly prohibited. If you have received this communication in error, please notify us immediately by e-mail and delete the message and any attachments from your system.