internet connection sharing between Vista and 7

Hello every1
I need solution to Internet connection sharing between two computers. I had internet connectiong sharing working perfectly alright between my desktop ( XP ) and laptop ( Vista ). I have now installed Windows 7 ultimate 32bit on my desktop and since then I am unable to do Internet connection sharing ICS between Windows 7 and Windows Vista premium.
Anyone knows how to fix this problem? Workgroup is same on both machines, I have disabled firewalls on both as well and internet connection is shared from windows 7 from LAN adapter settings but still my Laptop with Vista cant use internet....

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