Re: Quick FRS question
From: ptwilliams (ptw2001_at_hotmail.com)
Date: 09/15/04
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Date: Wed, 15 Sep 2004 08:43:21 +0100
Clients determine their site themselves, and then always try and talk to the
DC(s) in that site before anything else.
There are some basic checks you can run:
Are the sites using the correct subnets? You define a subnet, create a site
and then associate the subnet with the site -if this is wrong, then
everything about traffic localisation goes out the window!!
You can see if a client is obtaining/ ascertaining the correct site
information by typing the following at a command prompt (on the client):
C:\>nltest /dsgetsite
You might also wish to verify you're able to find a DC (preferably in this
site) by also typing this:
C:\>nltest /dsgetdc:domainName.com
nltest is part of the Windows support tools.
The subnets are usually where mistakes are made.
-- Paul Williams _________________________________________ http://www.msresource.net Join us in our new forums! http://forums.msresource.net _________________________________________ "OrphicFireball" <OrphicFireball@discussions.microsoft.com> wrote in message news:96662C79-2C0C-4481-949B-DF55B6C7E390@microsoft.com... None of the DFS roots get heavy use, no more then 10 people at a time, it's just that they are connected by very slow lines. Ok, 'Net Mask Ordering' wasn't hard to find. I'm don't really understand the Sites and Services mmc very well. I look and I see a Site for each of my branches, and I'm sure they are all on different subnets, with their local domain controller there, and I can manually initiate a replication from that menu, but I don't understand how this connects to the clients. The clients aren't assigned to sites are they, or if so where? I don't see that option for the regular computer accounts. This may sound like a really basic question, but what are major things that I might want to check to see if my Sites and subnets are in place correctly? "ptwilliams" wrote: > I believe Subnet Prioritisation is on by default. If not, it is called 'Net > Mask Ordering' in the DNS options. > > If your Dfs is going all over the place you should check, and then check > again, your sites and subnets *are* properly configured. Bear in mind that > if the local Dfs server is very busy, the Dfs client will go to another one. > This would be expected behaviour, as it's better to go across the WAN than > fail completely. > > Pull up the Windows 2000/2003 Server help and search for net mask ordering. > That'll provide you with some details re. this. > > > -- > > Paul Williams > _________________________________________ > http://www.msresource.net > > > Join us in our new forums! > http://forums.msresource.net > _________________________________________ > > > "OrphicFireball" <OrphicFireball@discussions.microsoft.com> wrote in message > news:5DE77164-A8B8-47CE-8C4C-6776A80BB431@microsoft.com... > Could you explain how to do this? I'm having this problem, and I have > different subnets, but 1/4 the time my computers choose a DFS root that is > in > the wrong subnet. This is causing a lot of problems because our sites are > connected by slow T1 lines, and when it comes to installing office from the > DFS, it can go from taking 20 minutes to taking an hour and a half during > those 1 in 4 times that the computers choose the wrong DFS root. > > I don't know very much about DNS, so if you could explain how to check if > subnet priority is on, and how to set up those multiple records for my > domain, it would be greatly appreciated. > > "Omer maydan" wrote: > > > Yes, if you have Subnet priority set on, and by default it is. what is > says, > > that if you have 4 records of Mydomain (appear as same as parent in the > > zone) with different IP's, the resolver will retrieve the Mydomain IP in > the > > relative client Subnet. > > > > -- > > > > Omer Maydan > > MCSE, Security+ > > > > "MartinHTN" <m@ht.n> wrote in message > > news:euWFNEHjEHA.3632@TK2MSFTNGP09.phx.gbl... > > > Hello: > > > > > > I just want to verify something. I have 3 physical sites and have them > set > > > up as 3 AD sites with the appropriate subnets and have one DC in each > > site. > > > If the clients at each site go to \\MyDomain\Netlogon, is it correct to > > say > > > that they would be directed to the closest operable DC based on their > > > subnet, which should be the DC located in their site? I don't have much > > > experience to with DFS, so does it work the same way also? This would be > > > similar to the client querying DNS during logon for the closest DC? > > > > > > Thank you. > > > -- > > > Sincerely, > > > Martin > > > > > > > > > > > > > > >
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