Unable to add WMS services as a Service Item or as a map layer

[ChristopheTOURRET]

Using this server :

http://geobretagne.fr/geoserver/ref/wms?service=WMS&request=getCapabilities

Regards

Christophe

[MikeMinami]

The server is returning a 401 error, which means you are not authorized to view it without some security credentials. Even if you have the username and password to access the service, there's no way to enter it in ArcGIS Online. We don't support secured WMS services.

Thanks,

Mike