I don't know how.
May be you could see how DVB Dream is handling it? For the time being I will set all parameters manually for Multistream channels.
Thx

I found my solution!
To receive the Multistream channels it needs more than just scan the frequency etc. I could receive all French and Italian channels now as follows:
-Manual Search
-Select satellite: Eutelsat 5 degr West.
-From Base select Frequency
-Check Multistream Filter and PLS
-Change Type ...

Tonight I tested my configuration with DVB Dream v29.3.4.
The following Multistream transponders on Eutelsat 5 degr West worked fine and oh so many Italian and French channels are received clear and excellent in DVB Dream.
11013V, 11179V, 11509H, 11637V, 11675H, 12606V, 12627H, 12648V, 12669H.

The ...

Yes I did both. Full satellite scan and Manual search. No signal and no channels found on the Multistream transponders.

I use DVBProg Prof v7.24.02.
I recently bought a TBS6528 PCI-e card to receive DVB-S2X Multistream channels on Eutelsat 5 degr West.
All transponders of that satellite are working fine, apart from the multistream transponders. (11013V, 11179V, 11509H, 11637V, 11675H, etc.) No signal, Quality 0 ...