Separating handler configuration from web.config for IIS7 (configSource not supported?)

Question

For the system.web/httpHandlers section of web.config I can use the "configSource" attribute to specify an external configuration file, like so:

<system.web>
     <httpHandlers configSource="App_Config\httpHandlers_iis6.config" />
</system.web>

This allows me to use the same set of handlers across all of my environments while only having to maintain them in one place, while still allowing things like appSettings to change from one web.config to the next.

Unfortunately, it appears that the same technique is not supported for the section pertaining to IIS7 handlers:

<system.webServer>
    <handlers configSource="App_Config\httpHandlers_iis7.config" /> <!-- not supported -->
</system.webServer>

Is there any way to separate my handlers configuration from the main web.config file for IIS7?

I'd like to know this too. although reason is a little different. I want one section for IIS7.5 on 64bit, and one for IIS7.5 32bit. — Ev.
– Ev., Commented Dec 2, 2010 at 4:51

Ev. · Accepted Answer · 2010-12-02 05:19:30Z

3

Ah - I've got it.

Here's my line from the web.config:

<handlers configSource="App_Config\Handlers.xml" />

not the \ rather than the / (I got caught there)

and in my external file I've got:

    <handlers accessPolicy="Read, Write, Script, Execute">
          <remove name="WebServiceHandlerFactory-Integrated"/>
          <remove name="ScriptHandlerFactory"/>


            <remove name="ScriptHandlerFactoryAppServices"/>

    ...
    ...
    ...
              <add verb="GET,HEAD,POST" preCondition="integratedMode" name="SpellChecker" path="GoogleSpellChecker.ashx" type="umbraco

.presentation.umbraco_client.tinymce3.plugins.spellchecker.GoogleSpellChecker,umbraco"/>
          <add verb="POST,GET,HEAD" name="Elmah" path="/umbraco/elmah.axd" type="Westfield.Web.Application.SecureErrorLogPageFactory, Westfield.Web"/>
        </handlers>

And it worked :)

Hope this helps someone.

answered Dec 2, 2010 at 5:19

Ev.

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5 Comments

David Mills Over a year ago

What you describe does not work for me. The system.webServer/handlers element does not support the "configSource" attribute.

Ev. Over a year ago

Hi David. In my Web.config VS2010 underlines the configsource attribute saying it doesn't recognise it, but I can assure you it worked for me. I'd like to re-iterate, make sure you use a backslash, rather than a forward slash (that got me).

Ev. Over a year ago

So I ignored it when it told me it doesn't recognise the attribute

David Mills Over a year ago

Well I'll be damned, you're right! I could swear I tried this exact setup before, but I must have made a mistake the first time. Thanks!

Kiquenet Over a year ago

The runtime section happily accepts the configSource attribute but it does not read the external file

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