[Last Call] Learn how to a build a cloud-first strategyRegister Now

x
?
Solved

Exchange server dependent on each other

Posted on 2011-03-02
7
Medium Priority
?
288 Views
Last Modified: 2012-06-27
My enviornment:

Exchange 2007 SP2 server (Hub, CAS, Mailbox roles)
Windows Server 2003 R2 SP2 (Secondary DC, Secondary DNS)

Exchange 2010 SP1 server (Hub, CAS, Mailbox roles)
Windows Server 2008 R2

I have recently introduced our Exchange 2010 to our environment with a few bumps along the way but all functions on the new server work without issue.   I've migrated mailboxes and (so far) no complaints from our users.

It is now time to take the old exchange server down so I decided that before I do that, I should disconnect the old server from the internet/intranet and verify that I can still receive emails.  As soon as I disconnect all copies of Outlook gave me a "disconnected" status even though the associated accounts are on the new server.

I know now I should have tested this before migrating but alas I didn't.  I'm beyond nervous to uninstall Exchange 2007 and demote the server.

Is it normal for the 2 servers to be dependent on one another that if one is disconnected they all are?  Or did this happen because the Exchange 2007 server also is a domain controller?

If they do rely on each other, will uninstalling affect the new server's ability to connect?

What problems will I theoretically be facing?  Should I start drinking now?

Any help would be greatly appreciated.
0
Comment
Question by:40hz
  • 4
  • 3
7 Comments
 
LVL 16

Expert Comment

by:Postmaster
ID: 35022452
This indicates you are still using the HUB on 2003.
If you have a separate hub server, and it goes off-line, then messages get stuck in the outbox and will not move.
0
 

Author Comment

by:40hz
ID: 35022537
Thanks for the quick reply.  

I decided to try and narrow down what the 2010 server is dependent on.

I stopped ALL exchange services as opposed to just disconnecting the net.  I can still send and receive email's with no dis-connectivity to the 2010 server.  

Postmaster: is the Hub dependent on the transport service? Will stopping the service rule Exchange 2007 as the reason for disconnect?

My assumption is that AD is causing the disconnection which is still an issue.  Shouldn't the 2010 server be able to point to both our primary and secondary DC's?
0
 
LVL 16

Accepted Solution

by:
Postmaster earned 2000 total points
ID: 35022623
DC's are used for authentication by Exchange. They do not control mail flow at all. The transport service does the moving of mail.
0
Get your Conversational Ransomware Defense e‑book

This e-book gives you an insight into the ransomware threat and reviews the fundamentals of top-notch ransomware preparedness and recovery. To help you protect yourself and your organization. The initial infection may be inevitable, so the best protection is to be fully prepared.

 

Author Comment

by:40hz
ID: 35022753
Ah ok.  

Strangely enough, I went and disconnected the net from the 2007 server and I did not loose connectivity to the new server.  I guess I lost connectivity coincidently.

With the 2007 server completely off the grid I can send/receive email and am actively connected to the server.  In theory I should be ok to uninstall Exchange 2007 and demote the server?  Are there any other checks I should do before uninstall and demote?
0
 
LVL 16

Expert Comment

by:Postmaster
ID: 35023078
Take backups :)
0
 

Author Comment

by:40hz
ID: 35029356
Lol very good point.  I think I'll get some rum while I'm at it :)
0
 

Author Comment

by:40hz
ID: 35029375
Thank you once again for your help!  I can soon sleep easy once the old server is put to rest.
0

Featured Post

Creating Active Directory Users from a Text File

If your organization has a need to mass-create AD user accounts, watch this video to see how its done without the need for scripting or other unnecessary complexities.

Question has a verified solution.

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

Are you looking for the options available for exporting EDB files to PST? You may be confused as they are different in different Exchange versions. Here, I will discuss some options available.
If something goes wrong with Exchange, your IT resources are in trouble.All Exchange server migration processes are not designed to be identical and though migrating email from on-premises Exchange mailbox to Cloud’s Office 365 is relatively simple…
This video shows how to quickly and easily add an email signature for all users on Exchange 2016. The resulting signature is applied on a server level by Exchange Online. The email signature template has been downloaded from: www.mail-signatures…
Attackers love to prey on accounts that have privileges. Reducing privileged accounts and protecting privileged accounts therefore is paramount. Users, groups, and service accounts need to be protected to help protect the entire Active Directory …
Suggested Courses

831 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