Re: Unexplainable Server - Sites and Services

From: Danilo Bordini [MVP] (DaniloBordiniMVP_at_discussions.microsoft.com)
Date: 11/03/04 

Date: Wed, 3 Nov 2004 09:29:04 -0800

Hi sg,

Really, its a "misterious" algorith that KCC use (maybe someone from
Microsoft can help us), so, change the COST can help you. Rembember that the
lower cost is equal increase priority.

See the link http://www.jsiinc.com/SUBG/TIP3100/rh3198.htm for more
informations.

Danilo Bordini

"sg-w2k3" wrote:

> Danilo,
>
> Thanks that was a good article thanks
>
>
> Now I just checked and all the sites have the same cost (100) . Is there
> anything else that goes into KCC choosing aside from cost ?
>
> Would it make sense to raise the cost of that server to see if it then
> removes it as a repl partner ?
>
> Thanks for the quick respone
>
> Stuart
>
>
> "Danilo Bordini [MVP]" <DaniloBordiniMVP@discussions.microsoft.com> wrote in
> message news:177F4E5A-81C1-49EA-A0A3-AD4139F927CB@microsoft.com...
> > Optonline, the KCC function is this: create automatic connections between
> > sites, using a "random" algorithm developed by Microsoft.
> > KCC use links between sites, and Cost link, that is configured to each
> > site.
> > So, if you have a "slow" connection and the Cost is configured wrong, the
> > KCC
> > will "think" that this is a "good" site.
> > Take a look at site:
> > http://www.microsoft.com/resources/documentation/WindowsServ/2003/standard/proddocs/en-us/Default.asp?url=/resources/documentation/WindowsServ/2003/standard/proddocs/en-us/dssite_configure_replication_cost.asp
> > to understand better this issue.
> > There is too a another way, "disable" KCC, but you only need to do this in
> > big environments.
> >
> > Danilo Bordini
> >
> > "Optonline" wrote:
> >
> >> Group,
> >>
> >> I am very new to Active Directory and am trying to solve a mystery.
> >>
> >> We have 20 offiices with WK23 DC'sin each office. Our Indy Data Center
> >> is
> >> the Central Location with T1 links of varying speeds connected through
> >> the
> >> Indy Hub(star topology).
> >>
> >> In Sites and Services under NTDS Settings each individual office
> >> consistently shows the same 3 Servers automatically generated by the KCC.
> >> The first 2 in the list make sense as the are DC's located in the Indy
> >> Data
> >> Center. The 3rd server however is a server in our smallest office (we'll
> >> call it Madison) with the slowest connection (256 Frame Relay - most of
> >> our
> >> others are 512 or higher).
> >>
> >> This 3rd one appears in every Site and if you look at the Madison Site in
> >> Sites and Services - under ntds settings - you will see every other
> >> server
> >> in the organization listed as being automatically genereated.
> >>
> >> We have deleted the manually and they have consistently re-appeared.
> >>
> >> Does anyone have any idea why the KCC would be automatically generating
> >> this
> >> and why it would keep showing up ?
> >>
> >> I hope I explained that well and am looking forward to the responses.
> >>
> >> Thanks,
> >>
> >> Stuart
> >>
> >>
> >>
>
>
>

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