Thanks Michel. I pasted wrong message, should have been
NOTIFY * HTTP/1.1
HOST:239.255.255.250:1900
CACHE-CONTROL:max-age=120
LOCATION:http://192.168.1.103/desc
NT:urn:udi-com:device:X_Insteon_Lighting_Device:1
NTS:ssdp:alive
SERVER:UCoS, UPnP/1.0, UDI/1.0
USN:uuid:00:21:b9:01:02:39::urn:udi-com:device:X_Insteon_Lighting_Device:1
however, I suspect your answer is the same. I had tried /services.wsdl and got a labview error. I will try and post on labview site, thanks.