Problem with IPX protocol in W 7

[grenadier501]

A year ago, I played DFBHD, JOTR, and DFX, in a LAN network with 2 computers one with Win XP and another with Win 7. But when I tried to play Delta Force 1 and DF2 in LAN I got this error "Couldn't initialize provider".
I found out that old games like DF1, DF2, DFLW, DFTFD, require a special IPX protocol to play in LAN.
I've managed to install the IPX protocol in Win XP but not in Win 7.
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Is there any way to install the IPX protocol in Windows 7 ?
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I found somewhere that it is posible to do it in Win Vista, I tried to do the same in Win 7 but didn't work, Any Ideas?