[gptalk] Re: note re DFS referral / kb831201

  • From: "Graham Turner" <gturner@xxxxxxxxxxxxxxx>
  • To: gptalk@xxxxxxxxxxxxx
  • Date: Sat, 2 Dec 2006 14:57:02 -0000 (GMT)

Darren, thanks 4 mail back on this.

re 2 - thought this would be the case. but a random list surely in the context 
of
using 'local service' is about as good as the proverbial 'chocolate teacup' !

i must say on a more general note that i have found DFS to have been one of the 
less
well documented of the w2k protocols

Thanks





> Graham-
> Since your questions are probably a bit more geared towards DFS behavior, I
> probably can't personally help much. But here goes:
>
> 1. yes, I believe that is the case because when you look at the LDAP queries
> that go to AD during the initial setup of GP processing, one of them is for
> the DFS object underlying SYSVOL.
>
> 2. I believe that it would be a random list of DCs in the site that is
> normally returned. Not sure I understand the second part of the question--my
> understanding of this KB is that it puts the logonserver DC at the top of
> the DFS referral list just by reordering the list that is returned.
>
> 3. Yes, I believe it's a simple matter of try the replica, if it can connect
> then use it. I could be wrong here however--it may actually ping the DC
> first but I haven't done a sniffer trace of this. Also, keep in mind that
> DFS referrals are cached for 180 minutes by default, if I remember
> correctly.
>
> Darren
>
>
> -----Original Message-----
> From: gptalk-bounce@xxxxxxxxxxxxx [mailto:gptalk-bounce@xxxxxxxxxxxxx] On
> Behalf Of Graham Turner
> Sent: Thursday, November 30, 2006 10:53 AM
> To: gptalk@xxxxxxxxxxxxx
> Subject: [gptalk] note re DFS referral / kb831201
>
> This is a query re the technote on www.gpoguy.com
>
> re the issue of the server from which AD info retrived being different from
> the one
> which delivers GPO data
>
> would like to understand the concept of DFS referral a bit better
>
> 1. I assume DFS referral request is sent to the logon server discovered by
> SRV (not
> SVC record lookup data) records in the DNS ??
>
> 2. the DFS server responds with a referral list
>
> prior to this patch how would a DFS referral list be ordered ?
>
> with this patch and configured with 'preferlogondc', what mechanism does the
> DFS
> server put the 'logon server' at the top of the list ?
>
> 3. how does the client respond to the DFS referral list say in terms of
> connecting
> to other servers in the list
>
> retry / timeout if not avaialble ?
>
> Thanks
>
>
>
>
>
>
>
>
>
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