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1. Expand the server content from the IIS Manager window and select the "Application Pools" menu.
2. Locate the pool with the same name as your website and double-click it.
3. The "Edit Application Pool" window will appear. Confirm that the selected .Net CLR version is "No Managed code".
4. Close "Edit Application Pool" and open the "Advanced Settings".

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Step 8: Whitelist CORS for the MediaManager Application

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