Multicast RTP on Windows

[ZRasim .]

Good afternoon. I found that in the Windows version of Gstreamer 1.x does
not work multicast. I ran the following pipelines:

server
gst-launch-1.0 videotestsrc ! video/x-raw,format=RGB, width=320,
height=240, framerate=30/1! videoconvert ! avenc_mpeg4 ! rtpmp4vpay
config-interval=1 ! udpsink host=224.1.1.1 port=5004 auto-multicast=true

client
gst-launch-1.0 udpsrc uri=udp://224.1.1.1:5004 caps="application/x-rtp,
media=(string)video" ! rtpmp4vdepay ! avdec_mpeg4 ! videoconvert !
autovideosink -v

This works well in Linux, but is not working in Windows. Gstreamer does not
transmit or receive multicast packets.
I have scanned ports by Wireshark, but there is not packets sended from
Gstreamer. All test made on Gstreamer 1.07 and 1.23 under Windows 7
Professional.
Firewall and antivirus was turned off.
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