Neil,

You could always hack the replication epoch values - but then again......

M
-----Original Message-----
From: "Dave Wade" <[EMAIL PROTECTED]>
Date: Tue, 30 May 2006 14:36:34 
To:<ActiveDir@mail.activedir.org>
Subject: RE: [ActiveDir] AD lag sites and replication

Al, 
  
Sorry, I mis-read it. I thought it was just controlling bandwith, but now I 
look its specific lag. However I still think that this could be dangerous and 
cause more problems than it solves. 
  
Dave. 
 
 
----------------
 From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Al Mulnick
Sent: 30 May 2006 13:53
To: ActiveDir@mail.activedir.org
Subject: Re: [ActiveDir] AD lag sites and replication

 
 
I think that's point, isn't it? To be able to have a site that lags the rest of 
them for replication changes? :) 
  
FWIW, there is no way that I'm aware of to prevent an admin from triggering 
replication in the sense that an admin could override any changes you make to 
be able that would otherwise allow them to trigger the replication.  While you 
may counter that you're just trying to prevent the admin from doing something 
easily i.e. make them work to override the change, I read into this that you 
want to absolutely prevent them from triggering replication. For that, you need 
to look outside the system they have rights on else change them from DA to OU 
admin. The other alternative is to trust them not to make that change without 
knowing what they're doing.  An easy argument that anyone with DA should be 
able to be that trusted, but reality often differs from desire. 
  
Admins, by design have rights to the system.  As such, they have rights to make 
those changes that allow them to, well, make changes. 
  
  
Al

  
On 5/30/06, Dave Wade <[EMAIL PROTECTED]: <mailto:[EMAIL PROTECTED]> > wrote: 
 
 
Neil, 
  
1) If you start setting firewall rules then I am pretty sure you will break 
things as you will block urgent replication. What happens if some one changes 
their password and then goes to the home site? What about group membership 
changes?  Do you really want to wait two days before you update these?. 
  
2) I don't think that "normal admins" can trigger unscheduled replication 
changes. Certainly I am a Domain Admin and I can't trigger replication changes 
on our infrastructure, but it is Windows/2000 
  
3) IMHO you would be better worrying about getting things to replicate when 
they are supposed to rather than things replicating when they shouldn't 
  
Dave
 
 
----------------
 
From: [EMAIL PROTECTED]: <mailto:[EMAIL PROTECTED]>  [mailto: 
  [EMAIL PROTECTED]: <mailto:[EMAIL PROTECTED]> ] On Behalf Of Ulf B. 
Simon-Weidner
 
Sent: 30 May 2006 11:32 

To: ActiveDir@mail.activedir.org: <mailto:ActiveDir@mail.activedir.org> 
Subject: RE: [ActiveDir] AD lag sites and replication
 

  
 
 
Hi Neil, 
  
I'd still go for a firewall with scheduled rules. IMHO there's no such thing as 
"locked down replication schedules" - as soon as someone is hitting a switch to 
force replication across sites. And the firewall will help you to assure no 
client is hitting a lag sites DC. 
Gruesse - Sincerely, 
 
Ulf B. Simon-Weidner 
 
  Profile & 
Publications:   http://mvp.support.microsoft.com/profile=35E388DE-4885-4308-B489-F2F1214C811D 
   
  Weblog: http://msmvps.org/UlfBSimonWeidner
  Website: http://www.windowsserverfaq.org

 
 
 
 
----------------
 From: [EMAIL PROTECTED]: <mailto:[EMAIL PROTECTED]>  [mailto: 
    [EMAIL PROTECTED]: <mailto:[EMAIL PROTECTED]> ] On Behalf Of [EMAIL 
PROTECTED]: <mailto:[EMAIL PROTECTED]> 
Sent: Tuesday, May 30, 2006 10:33 AM 
To: ActiveDir@mail.activedir.org: <mailto:ActiveDir@mail.activedir.org> 
Subject: RE: [ActiveDir] AD lag sites and replication 

  
 
Thanks Ulf. 
  
I was hoping to avoid NIC disabling and such like. I was looking for a solution 
which would enforce the replication schedule between sites, such that an admin 
could not 'over ride' it. 
  
I'd rather handle the situation with procedures and policies than use scripts 
to disable NICs (or connection objects) at scheduled times :) 
  
neil 

  
 
----------------
 From: [EMAIL PROTECTED]: <mailto:[EMAIL PROTECTED]>  [mailto: 
    [EMAIL PROTECTED]: <mailto:[EMAIL PROTECTED]> ] On Behalf Of Ulf B. 
Simon-Weidner
Sent: 30 May 2006 09:01
To: ActiveDir@mail.activedir.org: <mailto:ActiveDir@mail.activedir.org> 
Subject: RE: [ActiveDir] AD lag sites and replication

  
 
You are able to disable the network interfaces, pretty easy with VMWare or 
Virtual Server since you are able to do it from the host via scripting, bit 
more painfull if you have to do it from the DC itself since you don't have any 
remote access when the nic is disabled (you could use a scheduled task which 
runs netsh to activate / deactivate the interface). 
  
Also putting a firewall with scheduled rules in between would work very well, 
especially since you can block everything but RDP at the no-sync times. 
  
As long as you don't exceed the tombstone-lifetime I don't see any reasons why 
this should not be supported since we are just talking about lag-sites without 
any memberservers / clients / users who log onto those DCs. 
Gruesse - Sincerely, 
 
Ulf B. Simon-Weidner 
 
  Profile & 
Publications:   http://mvp.support.microsoft.com/profile=35E388DE-4885-4308-B489-F2F1214C811D 
   
  Weblog: http://msmvps.org/UlfBSimonWeidner
  Website: http://www.windowsserverfaq.org

 
 
 
 
----------------
 From: [EMAIL PROTECTED]: <mailto:[EMAIL PROTECTED]>  [mailto:       [EMAIL 
PROTECTED]: <mailto:[EMAIL PROTECTED]> ] On Behalf Of [EMAIL PROTECTED]: 
<mailto:[EMAIL PROTECTED]> 
Sent: Tuesday, May 30, 2006 9:49 AM 
To: ActiveDir@mail.activedir.org: <mailto:ActiveDir@mail.activedir.org> 
Subject: [ActiveDir] AD lag sites and replication 

  
 
I'm looking to implement one or more lag sites, with staggered replication 
schedules. (i.e. NYC lag replicates tues and thurs, 2-4 am; LON lag replicates 
mon, wed and fri 2-4 am).
 
We're concerned that admins can still force replication outside of these hours 
using repadmin or replmon etc. 
 
Is there a (supported) way to ensure that replication can ONLY occur within the 
hours described above? 
 
Thanks, 
neil 
 

 

 
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