How does NT choose a DC?

Luke Kenneth Casson Leighton lkcl at
Wed May 10 06:39:17 GMT 2000

udp 138 mailslot GETDC request.

On Wed, 10 May 2000, Paul J Collins wrote:

> >>>>> "Anders" == Anders C Thorsen <anders at> writes:
>     Anders> Well... my guess would be to look at the subnet (ip AND
>     Anders> netmask)
> But that *is* a broadcast, they exact type that is done in the absence
> of WINS.
> I seem to recall hearing that the client gets a list of all the DCs in
> the WINS and sends a request to each of them and then picks the one
> that responds first; a focused broadcast, if you will.  NetBIOS names
> with type 0x1c are domain controllers, I believe.
> Paul.
> -- 
> Paul Collins <sneakums at> - - - - - [ A&P,a&f ]
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> "Linux: it's just this operating system, you know?"

<a href=" mailto:lkcl at" > Luke Kenneth Casson Leighton    </a>
<a href=""  > Samba and Network Development   </a>
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ISBN1578701503 DCE/RPC over SMB: Samba and Windows NT Domain Internals

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