HttpHandlers not working in integrated mode for ASP.NET sites on Cloud Sites
This behavior is expected because integrated mode changed the way that modules and handlers are defined in the web.config file, compared to classic mode in IIS 7 or IIS 6. Integrated mode is the default for IIS 7 and currently the default for all new IIS/ASP.NET websites created in the Rackspace Cloud. If your website code was originally written for classic mode or using IIS 6, the web.config file might need to be updated.
- Peter Kellner's article, How to use HttpHandlers such as .ashx files with IIS7 Integrated Mode, briefly covers the differences between the old way to set up handlers and the new way.
- The Microsoft Developer Network also explains how to set up HttpHandlers for each of the above situations. This article covers the differences in detail.
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