IIS Express error: Failed to register URL for site. The process cannot access the file because it is being used by another process.
Read OriginalThis technical article details a solution for the IIS Express error 'Failed to register URL' due to port conflicts. It explains how reserved port ranges on Windows (often from virtualization software) can block your application's port. The guide shows how to identify these excluded ports and change your web project's port in Visual Studio to resolve the issue.
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