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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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Wednesday, April 25, 2012 1:57 PM

Determining the Exchange Version - without using Get-ExchangeServer

If you write lots of Exchange scripts (as I do), and have several different versions of Exchange on which you need to run those scripts (as I do); you soon see the need for being able to determine what version of Exchange a particular server is running...
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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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Monday, April 02, 2012 12:51 PM

System Center 2012

The System Center 2012 suite released to web (RTW'ed) today. The suite will be officially announced at the Microsoft Management Summit on April 17th. This includes Operations Manager, Configuration Manager, Service Manager, Data Protection Manager...
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Tuesday, February 28, 2012 5:48 PM

Enumerating IP Addresses on Network Adapters using PowerShell

Regardless of whether a server is for Exchange, for SQL, or for any other use; a key component of the server's configuration is the set of IP addresses assigned to it. Many organizations apply all addresses (even server addresses) using DHCP. For...
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Tuesday, January 17, 2012 7:34 AM

Sending an email to users whose password is about to expire, a PowerShell Rewrite

In September of 2005, I wrote a blog post named " Sending an e-mail to users whose password is about to expire ". Written in VBScript, it was one of my most popular blog posts of all time. I still have clients of mine that use it and I get occaisional...
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Wednesday, December 07, 2011 7:52 AM

Installing Exchange 2010 Service Pack 2

Exchange 2010 Service Pack 2 was released-to-web on Monday (December 5, 2011). Containing literally hundreds of code corrections since service pack 1, plus several significant new features, service pack 2 is an important new release. I will not attempt...
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Thursday, July 21, 2011 7:57 PM

Generating a report on Distribution Groups and their Membership, v2

In August of 2010, I posted Generating a report on Distribution Groups and their Membership . For most people, that script worked just fine. However, it had some issues: Large groups would cause PowerShell to generate an error about concurrent pipelines...
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Wednesday, June 08, 2011 11:07 AM

Welcome to Third Tier...

I've recently become associated with Third Tier , providing back-end support services along with the rest of their team. Third Tier is a consulting company for consultants. We are a group of senior consultants, providing support for other consultants...
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Friday, May 20, 2011 1:00 PM

Black Hole Distribution Groups

I had the question posed to me today: if I have a mail-enabled group (either a security group or a distribution group) that has no members, and it receives an email, why don't I get an NDR? Well - works as intended! Let's have a thought experiment...
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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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Monday, August 30, 2010 8:10 AM

Exchange 2010 Service Pack 1 and Required Hotfixes

As you are probably aware, Exchange 2010 service pack 1 was released last week, on the Internet (a so-called RTW [release to web] by Microsoft) at the Microsoft Exchange Team Blog . The release posting was The Future of Exchange Starts Here: Exchange...
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Wednesday, August 18, 2010 1:22 PM

Generating a report on Distribution Groups and their Membership

A common request is to get a list of all distribution groups and the members contained in that distribution group. The question came up on a mailing list I frequent today, and my initial response was a PowerShell "one-liner" (actually five lines...
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