Changing default IGMP version in Windows XP

Not so long ago, i hat to deal with IGMP, IP Multicast and Video on demand.
For test purposes it was necessary to change Windows XP’s default behaviour regarding the IGMP version used (WinXP uses IGMPv3 by default, i needed IGMPv2).
Perform the following registry change…

Add the DWORD IGMPVersion with a hex-Value of 3 (for IGMPv2) or [...]