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Asked: 2026-05-21T09:47:35+00:00

I am moving a site from IIS6 on one server to IIS7.5 on another.

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I am moving a site from IIS6 on one server to IIS7.5 on another.
This site was not writen by me, and from what I can tell, they use custom handlers to get around the AJAX limitations of the day.
I copied the code from the old server to the new (pre-compieled) and everything works except the “AJAX” stuff. There are several calls in the code to ashx files. These calls return .js files. On the old server this works great. Does not work on the new server.
In the web.config file I found the following lines:

<httpHandlers>
<add verb="*" path="*.ashx" type="AjaxPro.AjaxHandlerFactory,AjaxPro.2"/>
</httpHandlers>

For some reason this is not working in IIS7.5
Any suggestions are welcome.

Thank you!

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1 Answer

  1. Editorial Team

    I suspect this could be down to the configuration of the application pool managed pipeline mode. You can easily confirm this by changing the Managed Pipeline Mode for the application pool the site runs under to Classic. If this works and you want to continue to run in Integrated mode then you will need to add a handlers section to the web.config. This is different from the httpHandlers information you noted above.

    The new handlers section should be in the system.webServer section. I’m sorry I do not know the exact setting for the item you note but you will need to include the preCondition=”integratedMode” if you wish to run in integrated mode.

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