Well here my two patches
32 bit vista rtm I forgot to patch 1 byte(single session per user)
Comparing files termsrv.dll and TERMSRVPATCH.DLL
000173D8: 3B BA
000173D9: 91 00
000173DA: 20 01
000173DB: 03 00
000173DD: 00 90
000173DF: 0F 89
000173E0: 84 91
000173E1: 31 20
000173E2: EF 03
000179E4: 43 90
00051AE5: 74 EB

64 bits rtm i think this one should work with home premium, i have not tested this one with any x64 edition of vista yet.
Comparing files termsrv.dll and TERMSRVPATCH.DLL
0005FDF2: 74 EB
00064FD7: 8B B8
00064FD8: 81 00
00064FD9: 38 01
00064FDA: 06 00
00064FDC: 00 90
00064FDD: 39 89
00064FDF: 3C 38
00064FE3: 75 EB
000701BA: 01 00

slig have you instaled it using the bats posted by sunmorgus?
if its not working please post the edition of vista.