The following servers have version 2 of ISAPI Rewrite installed:
- pemwinweb01 - 22.214.171.124
- pemwinweb02 - 126.96.36.199
The filename required for ISAPI Rewrite rules for version 2 is httpd.ini
Here is the documentation for IsAPI Rewrite 2 - http://www.isapirewrite.com/docs/
All the other Windows servers have version 3 of ISAPI Rewrite installed.
The filename required for ISAPI Rewrite rules for version 3 is .htaccess
Here is the documentation for IsAPI Rewrite 3 - http://www.helicontech.com/isapi_rewrite/doc/ - rules for ISAPI Rewrite 3 are interchangeable with Apache's mod_rewrite.
To check your rewrite rules are working correctly, you can use this tool - http://www.webconfs.com/redirect-check.php