Windows Server 2003 with Apache and IIS causing random faulting and performance issues with Apache?

Posted by contrebis on Server Fault See other posts from Server Fault or by contrebis
Published on 2010-05-25T12:57:00Z Indexed on 2010/05/25 13:02 UTC
Read the original article Hit count: 505

Filed under:

apache

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windows-server-2003

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iis

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apache2

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iis6

I'm trying to fix a problem on a Windows Server 2003 SE install which is running IIS6 and Apache webserver (with PHP and MySQL). IIS sites are bound to one IP, Apache to the other. Everything seemed fine till the other IP address was installed to allow a webservice to run under IIS.

Symptoms:

Apache now responds very slowly, even requests for static files (often 30 seconds or more)
Sporadic errors are appearing in the event logs like: Faulting application httpd.exe, version 2.2.14.0, faulting module php5ts.dll, version 5.2.13.13, fault address 0x000ac14f.

I've double-checked the config files, taken account of this question/answer http://serverfault.com/questions/51230/running-iis-and-apache-on-the-same-windows-server, upped the Apache log level to debug, run TCPView to check for conflicting bindings, upgraded to latest Apache/PHP versions but still no success or indication of a cause.

Any suggestions on where to look, or debugging tips would be gratefully received. I'm a web programmer so not so familiar with Windows Server admin or details of the networking stack. Running PHP under IIS is not an option and hosting on another server is non-ideal.

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