Dougs Blog... Exchange Server daily

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Have a look at a my blogs on 'You Had Me At EHLO...'
Protecting Exchange Data with DPM, CCR Decision Making Flowcharts, SCR Decision Making Flowcharts, On email archiving.
...and a few more here
High item counts - what do you do about it?, Archive v Big Mailboxes, Getting your Exchange 2007 Project Approved, (and the follow up 7 blogs), Recovery Scenarios Part 1, Recovery Scenarios Part 2, Recovery Scenarios Part 3, How quick will DPM backup?, Synchronous or Asynchronous Replication?, Why not stretch CCR?, Backup solutions for Exchange 2007..., Do we actually need to backup Exchange?, SAN v DAS.
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Quick Transport Rule

Quick transport rule to remove the recipient field of an SMTP message header from messages going out across an Edge Transport role server… Not going to win any awards but it’s worth a look if you haven’t tried mucking about with transport rules with Powershell Read More...

Posted: Wednesday, February 04, 2009 10:13 AM by douggowans | 0 Comments

Filed under: Transport, Hub Transport, Edge Transport, Powershell

Couple of nice blogs on removing internal SMTP headers

Not that I believe you should be, but if you are concerned about the server names and ip addresses that are stamped on outgoing message headers have a look at the following blogs: Removing internal host names and IP addresses from message headers on Exchangepedia Read More...

Posted: Sunday, January 25, 2009 8:19 PM by douggowans | 1 Comments

Filed under: Transport, Hub Transport, Edge Transport

NLB and the CAS\HUB role

I’ve heard a couple of queries recently concerning Windows NLB and the CAS\HUB combined role. The point is that you should use NLB to load balance network traffic and you can therefore effectively de-couple HUB from CAS. For the Hub Transport Read More...

Posted: Monday, December 08, 2008 8:37 AM by douggowans | 2 Comments

Filed under: Transport, Exchange 2007, Design, CAS, High Availability, Hub Transport

Virtually a solution...

Surely it's time to consider virtualising at least some of your new Exchange 2007 deployment? Microsoft , VMWare and others now have some great solutions that on the face of it seem perfect for increasing the efficiency, scalability and uptime of Read More...

Posted: Tuesday, May 06, 2008 2:02 PM by douggowans | 1 Comments

Filed under: Exchange 2007, Design, CAS, High Availability, Hub Transport, Virtual

Two connectors; same cost; same number of hops to destination; message delivery will be load balanced across the two connectors?

No . If you test this scenario then you'll find that Exchange 2007 will select one of the routes and will always deliver messages across that route whenever it can. The connector is chosen based on the connector name - whichever comes first alphanumerically Read More...

Posted: Monday, March 31, 2008 8:08 AM by douggowans | 3 Comments

Filed under: Transport, Exchange 2007, Design, High Availability, Hub Transport, Edge Transport

More on ...Windows 2008 or Windows 2003?

A blog on this same subject has just been posted to You Had Me At EHLO... and there are a few points that I'll add here which I didn't include in my original blog 'Windows 2008 or Windows 2003?' . (...and I apologise for lifting these points directly Read More...

Posted: Thursday, March 06, 2008 9:19 AM by douggowans | 1 Comments

Filed under: Exchange 2007, Design, CAS, High Availability, Windows 2008, Hub Transport, Edge Transport, Mailbox

Windows 2008 or Windows 2003?

So you're about to deploy Exchange Server 2007 with Service Pack 1 and want to know which operating system to deploy. There are a number of issues that you should be aware of when you are making this decision so I thought I would summarise a few Read More...

Posted: Friday, February 29, 2008 9:21 AM by douggowans | 4 Comments

Filed under: Exchange 2007, Design, CAS, High Availability, Windows 2008, Hub Transport, Edge Transport, Mailbox

Exchange 2007 Service Pack 1 on Windows 2008...?

So now that Windows Server 2008 has been released what versions of Exchange Server can we run on it...? Well the earliest version that is supported to run on W2K8 is Exchange Server 2007 with Service Pack 1. It is not supported to run the Read More...

Posted: Tuesday, February 12, 2008 8:45 AM by douggowans | 1 Comments

Filed under: Exchange 2007, Design, CAS, Windows 2008, Hub Transport, Edge Transport, Mailbox

The SubmissionServerOverrideList...

Obviously we all know that Link State is going and E2K7 bases its routing decisions on your AD site topology. Generally I think this is a huge step forward but there will be occasions where our preferred AD site design is not the most efficient for routing Read More...

Posted: Thursday, June 14, 2007 1:56 PM by douggowans | 2 Comments

Filed under: Exchange 2007, Design, Hub Transport, Mailbox