Solved

Replacing HTS & CAS Server - Exchange 2007

Posted on 2015-01-19
6
90 Views
Last Modified: 2015-02-04
I currently have an Exchange 2007 Server running on Server 2003 in a virtualized HYPER-V environment. This server is running the Hub/Transport & Client Access roles and while trying to t-shoot an issue with Microsoft support I was told they do not support Server 2003 on any virtual platform. This server was originally running Exchange 2003 and was upgraded rather than replaced with a new server for Exchange 2007. I would like to replace this server with a new VM running Server 2008 R2.

I really want to rebuild the CAS server as the OWA and other CAS related features are really hokey on this box.

Any recommendations on the best process for this? I need to keep downtime of course to a minimum...
0
Comment
Question by:Don Dragoo
[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
  • 2
6 Comments
 
LVL 53

Accepted Solution

by:
Will Szymkowski earned 450 total points
ID: 40558931
Are you looking to have all of the roles on single hardware? You can install/configure a new server into the environment while your other server is running everything will continue to funtion properly.

Make sure that you set all of your URL's appropriately on the CAS server. When you have this scenario where no load balancing is enable and you have 2 CAS servers in your environment users will connect successfully to both, however they are dependent on each other. Mean Active Directory sees these servers individually and if 1 server gets powered off clients will still try to connect to the server that is powered off and the one that is powered on.

So what i am basically saying is that you can introduce another exchange server on a new OS with all of the roles have them both working, migrate the mailboxes to the new exchange and decommission the old 2003 server gracefully.

Just be aware that in this scenario you need to have both servers up and running at all times.

Will.
0
 
LVL 7

Assisted Solution

by:dsnegi_25dec
dsnegi_25dec earned 50 total points
ID: 40559073
Best is introduce new  CAS / HUB / MBX on existing environment  and decommission the old one.
0
 

Author Comment

by:Don Dragoo
ID: 40559605
This is what I'm looking to do for this environment:

Move the CAS & HTS Roles from the 2003 server to a new 2008 R2 server.

The mailbox server is already running Server 2008. I want to migrate the mailboxes to an independent clustered mailbox solution running server 2008R2
0
Online Training Solution

Drastically shorten your training time with WalkMe's advanced online training solution that Guides your trainees to action. Forget about retraining and skyrocket knowledge retention rates.

 
LVL 53

Assisted Solution

by:Will Szymkowski
Will Szymkowski earned 450 total points
ID: 40559772
So, that is fine. You can install/configure the HT/CAS first ensure that all of the settings are the same. Decommission the 2003 Exchange HT/CAS.

Then create 2 new nodes Mailbox role in a cluster. In Exchange 2007 you will need to create 2 fresh installs because you cannot setup a clustered mailbox after the role has been installed as a single server.

Once the cluster is up and running, migrate the mailboxes from the current mailbox server to the cluster.

Decommission the single mailbox server once completed.

Will.
0
 

Author Comment

by:Don Dragoo
ID: 40560410
Thanks for the feedback Will...

Any benefit separating the CAS and HT roles?
0
 
LVL 53

Expert Comment

by:Will Szymkowski
ID: 40560416
I personally would keep them on the same server.
- reduce cost for server licensing
- HT is automatically highly available service with 2 or more in a single AD site

Keep them on the same server.

Will.
0

Featured Post

Has Powershell sent you back into the Stone Age?

If managing Active Directory using Windows Powershell® is making you feel like you stepped back in time, you are not alone.  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

This article lists the top 5 free OST to PST Converter Tools. These tools save a lot of time for users when they want to convert OST to PST after their exchange server is no longer available or some other critical issue with exchange server or impor…
This article aims to explain the working of CircularLogArchiver. This tool was designed to solve the buildup of log file in cases where systems do not support circular logging or where circular logging is not enabled
In this video we show how to create a Resource Mailbox in Exchange 2013. We show this process by using the Exchange Admin Center. Log into Exchange Admin Center.: Navigate to the Recipients >> Resources tab.: "Recipients" is our default selection …
Exchange organizations may use the Journaling Agent of the Transport Service to archive messages going through Exchange. However, if the Transport Service is integrated with some email content management application (such as an antispam), the admini…

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