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Friday, May 04, 2012 10:29 AM

Processing Large and Embedded Groups in PowerShell

I'm working with a client that has - over an extended period of time - accumulated thousands of security groups, most of which are mail enabled for use by both Exchange and for setting rights on various objects. Becasue they use embedded groups (that...
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Tuesday, April 24, 2012 1:53 PM

Finding Duplicate IP Addresses and Duplicate Names in a DNS Zone

One of the traditional issues associated with cleaning up an Active Directory Directory Services (AD DS) domain in DNS is to ensure that duplicate names in DNS are removed (this is typically an issue caused by not having DNS Scavenging enabled, or by...
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Tuesday, April 10, 2012 5:38 AM

Enumerating networks and building routes with PowerShell

I've been working with a company that is in the process of setting up a remote datacenter for disaster recovery. They brought me in to help design their Exchange cross-site resilience, and I've been helping them with a few other things too. Primary...
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Thursday, May 19, 2011 2:17 PM

Exchange 2003 FE Servers vs. Server 2008 Active Directory

I spent eight hours over the last two days figuring out an interesting - but weird - problem. Once I figured out the problem, correcting it was a simple matter. I'll just give you the problem description and then the solution. Hopefully it will save...
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Tuesday, December 21, 2010 1:36 PM

More on Active Directory Privileged Groups and Exchange Server

In October of 2008, I wrote the article adminCount, adminSDHolder, SDProp and you! This article discussed why membership in privileged groups could cause permissions challenges. You may want to refer to it before proceeding. With Exchange Server 2010...
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Wednesday, June 16, 2010 3:21 PM

Antivirus Exclusions and Windows

In December of 2007, I made two posts: File Level Antivirus for Exchange and Information Store Antivirus for Exchange . Since that time, there is no question that with Exchange 2007 and Exchange 2010 (and the ongoing advancement of various Internet-based...
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Tuesday, January 19, 2010 1:07 PM

Where oh where, did my AD site go...[Alternate title: It's the DNS, stupid.]

I recently had a very confusing issue arise at one of my Exchange 2007 clients and I decided to share it with you. At this particular company, an Active Directory site is reserved for Exchange, and there are two domain controllers (both global catalog...
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Thursday, January 14, 2010 3:46 PM

Speeding Reboot When Exchange is on a DC/GC

As I've noted in several previous blog entries (such as here and here ), installing Exchange on a domain controller and/or a global catalog server is not a best practice. However, if you are running SBS (Small Business Server) or EBS (Essential Business...
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Tuesday, September 29, 2009 6:45 PM

Exchange Server 2010 - Administrative Access to All Mailboxes

In Exchange 2010, the storage group has disappeared. Instead, the properties of a database and of a storage group have merged - the result being referred to as a database. Effectively, a database has been promoted to be as important as a storage group...
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Friday, August 14, 2009 7:45 AM

Mailbox Permissions: Pulling Back the Curtain...

Let's talk about mailbox permissions. People often get a little confused between store-level mailbox permissions and Active Directory-level mailbox permissions. They are similar but not the same. For clarity it may help for us to look at them all...
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Monday, March 02, 2009 1:28 PM

Monitoring Exchange Server 2007 with System Center Operations Manager 2007

Just a few days ago, my new book (of the subject title!) started shipping from Amazon. If it hasn't already, it should start appearing in your local bookstores this week. If you want to order from Amazon, you can get it here . Eight months in the...
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Tuesday, November 04, 2008 7:01 AM

Exchange Connections - Fall 2008

Next week, in Las Vegas, Nevada is the semiannual Connections conference. The Connections conference is a technical conference covering SQL Connections, Windows Connections, Exchange Connections, etc. There are lots of individual tracks, both for IT Pros...
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Thursday, August 07, 2008 1:45 PM

Exchange Disk Space, version 2.1

It was pointed out to me, by a party that shall remain nameless, that I depended in today's earlier post Finding Disk Space Used By Exchange Version 2 , that I ASSumed that msExchCurrentServerRoles would never be higher than 64 and that that was a...
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Thursday, August 07, 2008 10:36 AM

Finding Disk Space Used by Exchange, version 2

In July of 2006, I had a blog entry named Finding Disk Space Used By Exchange , and it was quite well received and it worked well for most people. However, it had a few issues: It doesn't work with Exchange Server 2007 because the streaming file was...
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Saturday, March 29, 2008 8:08 AM

Exchange Server 2007 and Domain Controllers - A Summary

Over three years ago, I wrote my most popular (in terms of number of times it has been read) blog post ever: " Exchange Server 2003 and Domain Controllers - A Summary ." Since it was written in January of 2005, Exchange Server 2003 service pack...
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