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Dougs Blog... Exchange Server (rarely) daily

from a Microsoft UK consultant

April 2008 - Posts

Need 2 billion objects in an AD forest?
This is slightly off-topic but this is an interesting article recently published in Technet which is worth scanning and bookmarking for reference: Active Directory Maximum Limits   Here are some of the key bits... Max Objects "..domain controllers Read More...
Some more thoughts on SAN v DAS. Is it actually time to consider DAS?
Ok so here's my thoughts on the whole SAN ( Storage Area Network ) versus DAS ( Direct Attached Storage ) argument... No-one's surprised to learn that storage is still one of the main topics of conversation when architecting an Exchange infrastructure Read More...
SAN v DAS
This is a great white paper for anyone evaluating what storage solution to deploy for Exchange 2007...  There has been a lot of discussions about storage and Exchange 2007 and how the debate has changed from when we were architecting Exchange 2003 Read More...
Site resilience with both DPM secondary's AND SCR targets...?
Let's say I have two data centres and a requirement that in the event of the loss of the primary data centre I can restore the messaging service with minimal downtime and minimal data loss.  The decision is made to use SCR.  I have also however Read More...
Providers, Requestors, Writers? Some VSS Basics...
Have been researching some basics of VSS and thought I would put together a quick diagram to show how the different bits fit together.. This is largely based on the generic VSS information I found at MSDN here: http://msdn2.microsoft.com/en-us/library/aa381504(VS.85).aspx Read More...
Add a disclaimer to a message with a carriage return..
(**Be warned - this is not an interesting blog...) Nevertheless there might be someone out there that desperately needs to know how to add a carriage return to a disclaimer through powershell...?  I was that person up to about half an hour ago.  Read More...
How can the same email have two different sizes?
If you look at the size of an email in OWA and then preview the same email in Outlook you'll see that the message size might not be the same....? The reason of course is that Outlook is displaying the message via MAPI (and TNEF) and it's connection to Read More...
My DPM article on 'You Had Me At EHLO' generated a number of comments...
I recently posted an article to the Exchange Team site here - ' Protecting Exchange data with Microsoft System Center Data Protection Manager (DPM) ' and received a number of comments. I thought I would discuss some of the issues here on my blog rather Read More...
But I only want to restore a single mailbox...
I'm using DPM to backup my Exchange data and I want to restore a single mailbox only. Is that possible?  This is a pretty common question at the moment and the answer is of course Yes .  However DPM takes volume snapshots using VSS and so you Read More...
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