(no)logon when PDC down

[Paul Ashton]

> When a recent CVS version of the pre-alpha code failed to work as a PDC
> I found to my surprise that my domain logon proceeded anyway

> I've checked around, and I can't seem to discover if there is a
> registry hack to disable this "feature". Does anyone know how to
> disable domain logins when the PDC is down?

Something like:

HKLM\Software\Microsoft\Windows NT\CurrentVersion\Winlogon\CachedLogonsCount=0

Paul