Patch for Windows XP/Vista for multiple access over RDP
It will works only for XP/Vista. For newer version use rdpwrap.
msvc:
cl /c termsrv_patcher.c
link termsrv_patcher.obj advapi32.lib /out:termsrv_patcher.exe
gcc:
gcc termsrv_patcher.c
termsrv_patcher.exe --patch
termsrv_patcher.exe --restore