Unable to locate server. this server does not have a DNS entry. Please check the server name in the URL and try again.
rtsp://rm.z1.mii-streaming.net/media/pbs/quicktime_real/wnet/nature/octopus/sharkT1.rm
More information is available at the RealNetworks Technical Support Website
The message also supplies a "more Info..." button that, of course, doesn't work.
The WTF is for the protocol type: WTF is rtsp:? I'm by no means an internet demighod, but I ain't never heard of that one. (No wonder Large Giant Corp's DNS can't find the server....)