Configuring Internet Information Services (IIS) 6.2 to handle Ajax requests involves ensuring that your server is properly configured to handle the specific requirements of Ajax. 

Here are the general steps to configure IIS 6.2 for Ajax:

1. Enable the Required Features:

Make sure that the necessary IIS features are installed. Open "Server Manager" and ensure the following features are enabled:

• ISAPI Extensions: Required for certain Ajax frameworks.

• Static Content: Needed for serving static files, including JavaScript files used in Ajax.

2. Install the Appropriate MIME Types:

Verify that IIS recognizes the MIME types used by Ajax content. You may need to add or modify MIME types if necessary. Common MIME types for Ajax content include:

• .json: application/json

• .xml: application/xml

• .js: application/javascript

In order to include a MIME type:

• Open IIS Manager.

• Navigate to your server node.

• Open the "Properties" of the server.

• Go to the "HTTP Headers" tab.

• Click "MIME Types" and add the necessary types.

3. Configure Cross-Origin Resource Sharing (CORS):

You must set up CORS to permit cross-origin requests if your Ajax requests involve sending requests to a separate domain. You can accomplish this by including the relevant headers in your server responses.

• For IIS 6.2, this might involve modifying the HTTP response headers to include the necessary CORS headers.

• If you have control over the server-side code, you can also implement CORS handling there.

4. ASP.NET AJAX Extensions:

Make sure the ASP.NET AJAX Extensions are installed and set up correctly if you are using ASP.NET Ajax. These extensions include the ScriptModule needed for Ajax functionality.

Remember that the specific steps may vary depending on your application, the Ajax framework you are using, and the requirements of your project. 

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