For anyone following the saga, I’ve been trying to do a migration NT4 (yes, NT 4) to Samba running LDAP as a backend.  I’ve done migrations in the past and they have not been this painful.  Here’s the latest goodie:
As part of the migration, you ned to get the SID from the NT 4 PDC. [...]

I’m trying to migrate an NT 4 Enterprise Edition PDC to a Samba 3.0.23 BDC running on Suse 10.2. According to everything I read, this should be easy, but it’s not working.
If I do
net rpc vampire -S WINNT -W MYDOMAIN -U Administrator
I get
[2008/09/02 17:59:07, 0] rpc_client/cli_pipe.c:cli_rpc_pipe_open_schannel(2673)
cli_rpc_pipe_open_schannel: failed to get schannel session key from [...]