Agregar tipo MIME para woff en web.config
<system.webServer>
<staticContent>
<!-- remove first in case they are defined in IIS already, which would cause a runtime error -->
<remove fileExtension=".woff" />
<remove fileExtension=".woff2" />
<mimeMap fileExtension=".woff" mimeType="font/woff" />
<mimeMap fileExtension=".woff2" mimeType="font/woff2" />
</staticContent>
</system.webServer>
Ranish Patel