Вот другое возможное решение: http://iv.slis.indiana.edu/sw/index.html#ivcfw
Yes, I did the same thing. Running the /rodcprep command is the last step. Here is the technet article: http://technet.microsoft.com/en-us/library/cc731243(v=ws.10).aspx
The RODCs we have work perfectly, and significantly reduced logon time from over 5 mins to under 30 seconds at a remote site serviced by a single T1 line.