Solved

Can an Edge Server be subscribed to a hub Transport server in a different AD subnet

Posted on 2013-01-04
8
315 Views
Last Modified: 2013-04-21
We are setting up a fail over site to protect an Exchange 2010 server holding the combined roles of HT, CAS and MX.the Edge is on the perimeter network of connected to three different ISP so mailflow at that level is reliable. Of course when the HT+CAS+MBX server fails over it will be in a different AD site. My query is whether we can subscribe the IP for the failed over Exchange, meaning it will be in a different AD subnet from the primary and in effect subscribing 2 different HT IPs to same Edge Server so that mail flows regarless of CAS+HT+MX server state.

Thanks
0
Comment
Question by:kitsao
[X]
Welcome to Experts Exchange

Add your voice to the tech community where 5M+ people just like you are talking about what matters.

  • Help others & share knowledge
  • Earn cash & points
  • Learn & ask questions
  • 3
8 Comments
 
LVL 37

Accepted Solution

by:
ArneLovius earned 334 total points
ID: 38778432
Are you doing this as a DAG ?

An edge server can have one subscription, but the routing can be to more than one server, just add the second server as a destination to the "internal" send connector.

the "internal" receive connector will also need the second server address adding to its "allow" list
0
 

Author Comment

by:kitsao
ID: 38781652
Hi Arne,

Thanks for the tip. And no, we won't be doing this as DAG. we will use a third party Software to do this.
0
 
LVL 37

Assisted Solution

by:ArneLovius
ArneLovius earned 334 total points
ID: 38781910
I would highly recommend doing it as a DAG rather than using 3rd party replication.

Using a DAG should give you faster fail over than 3rd party replication, give you the opportunity of manual changeover for windows updates etc providing a higher level of availability than using 3rd party replication, and give you two live copies of the mailboxes, which as they use log shipping for replication, remove the possibility of database corruption being replicated to the other server as can happen with 3rd party replication.

You can run a DAG across two multi role servers, they do not need to be dedicated mailbox servers.
0
 
LVL 27

Assisted Solution

by:Steve
Steve earned 166 total points
ID: 38805438
exchange 2010 has resilience and failover built in so I agree with ArneLovius that reconsidering your design is best. DAG would probably siut your needs much better and would als be a mostly automated failover.

If you stick with 2 seperate organisaitons though, it will work. Resubscribing the edge to the new organisation wont really do much other that forcing it to pick up new lists of your mailboxes etc.

The config will remain mostly the same and it would work fine after its AD sync is completed.
0
 
LVL 37

Expert Comment

by:ArneLovius
ID: 39075619
3) http:#a38778432 as the answer, with http:#a38781910 and http:a38805438 as assists
0

Featured Post

Problems using Powershell and Active Directory?

Managing Active Directory does not always have to be complicated.  If you are spending more time trying instead of doing, then it's time to look at something else. For nearly 20 years, AD admins around the world have used one tool for day-to-day AD management: Hyena. Discover why

Question has a verified solution.

If you are experiencing a similar issue, please ask a related question

A list of top three free exchange EDB viewers that helps the user to extract a mailbox from an unmounted .edb file and get a clear preview of all emails & other items with just a single click on mailboxes.
Auditing domain password hashes is a commonly overlooked but critical requirement to ensuring secure passwords practices are followed. Methods exist to extract hashes directly for a live domain however this article describes a process to extract u…
The viewer will learn how to use the =DISCRINV command to create a discrete random variable, use this command to model a set of probabilities and outcomes in a Monte Carlo simulation, and learn how to find the standard deviation of a set of probabil…
The viewer will learn how to use a discrete random variable to simulate the return on an investment over a period of years, create a Monte Carlo simulation using the discrete random variable, and create a graph to represent the possible returns over…

752 members asked questions and received personalized solutions in the past 7 days.

Join the community of 500,000 technology professionals and ask your questions.

Join & Ask a Question