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ActiveDir.org is the home of the Active Directory Discussions Mailing List which was started in January 2001 with the aim of providing a forum for discussing various aspects of Microsoft's Active Directory technology. Since then the list has grown to a membership of over 1000 subscribers and 3000 site members.  The list has become extremely active, and includes many of the foremost experts in Active Directory.

The focus here at ActiveDir.org is the mailing list, but we now also offer a range of useful resources (see left navigation options).

You can also share your knowledge and experience with the wider community by creating your own articles using the site's Wiki-style functionality.  Click here for more information.

What's happening on our Mailing List

What's happening on our Mailing List

  • coolandynet just posted 'Re: [ActiveDir] Kerberos, KDC time issue.'

    On internet I am getting same result that it is related with service account or SPN, But when I see the time details I though it might be related with time. any thought on this why it is showing different time?? Also I am not clear about how SA...

  • tonyszko just posted 'Re: [ActiveDir] Kerberos, KDC time issue.'

    On 3/11/2010 10:22 AM, Andy wrote: > Error Code: 0x7 KDC_ERR_S_PRINCIPAL_UNKNOWN But this error indicates that you have a problem with configuration of service account or SPNs rather than time issue -- Tomasz Onyszko http://www.w2k.pl...

  • coolandynet just posted '[ActiveDir] Kerberos, KDC time issue.'

    >From last 3 days I am getting Kerberos Event ID:3 with below details in my Windows 2003 Ent Edi.+SP2 DC Event Type: Error Event Source: Kerberos Event Category: None Event ID: 3 Date: 3/11/2010 Time: * 2:13:31 PM...

  • Patrick just posted 'Re: [ActiveDir] [OT] Server cloning.'

    I know that! We have SCCM in our environment and i use it for Desktop Deployment and Patch Management plus inventory! That is one of the questions on the ADRAP - that came directly from their AD guru! Keep in mind that i am NOT saying that its...

  • RickSheikh just posted 'Re: [ActiveDir] 2008 Forest Functional Level and Trusts'

    Negative. On 3/10/10, John Christie <johnchristie11@googlemail.com> wrote: > Hi > Are there any limitations I'd encounter by setting the forest/domain > functional levels to Windows 2008 if I had a one way external trust with a ...

  • Gil just posted 'RE: [ActiveDir] Quick poll for TEC 2010 session re: VDI'

    Shame on me thinking this would be an easy decision... :/ -g From: activedir-owner@mail.activedir.org [mailto:activedir-owner@mail.activedir.org] On Behalf Of Brian Arkills Sent: Thursday, March 11, 2010 5:16 AM To: activedir@mail.activedir.o...

  • groulder just posted 'Re: [ActiveDir] changing ip address of dc'

    ok, i'm pretty convinced i'll stick with renaming the server rather than setting up an alias. the safer method for renaming a dc is apparently using netdom. but this requires a windows 2003 domain level. so i'm forced to rename it through the s...

  • rwilper just posted 'RE: [ActiveDir] changing ip address of dc'

    One issue that bites us here from time to time is Kerberos name canonicalization. Some Kerberos clients will canonicalize a request for a CNAME to its A name before requesting service tickets. Most of the time this will not present any issues, but Ke...

  • tonyszko just posted 'Re: [ActiveDir] changing ip address of dc'

    On 3/10/2010 11:48 PM, daniel wrote: > well i'd be curious what other people's opinions of that are too. not > the first person to suggest a cname. but i'm just not sure if it will > work. for instance, i remember there was an issue with ...

  • kbatkbslpcom just posted 'RE: [ActiveDir] changing ip address of dc'

    If you go the alias route, be aware of the registry change to allow Windows to work with aliases correctly: http://support.microsoft.com/kb/281308 I can't comment on the renaming-the-DC-when-it-is-still-a-DC part, as I've never done that. I t...

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New Stuff

New Stuff

List Avatars... did you know... - Thursday, January 24, 2008

If you are feeling particularly expressive you can assign a picture to be displayed next to each post you make to the mailing list.  How?  Login to the site, visit the List Archives tab, hit 'My Profile', at the bottom of the page hit 'Edit Profile' and there you can either upload a picture or link to an existing picture of yourself and however you want to be represented.

 

Search the Archives is now available - Monday, January 14, 2008

Yes we finally got around to it.  It's now possible to search the archives.  Its fully text indexed so you should be able to find what it is you are looking for.

To access the search function, click on Advanced Search beneath the normal Site Search button.  (You must have javascript enabled in your browser to Search).

 read more ...

Latest Articles

Latest Articles

Powershell 2.0 script to bulk create test user accounts
Author: Tony Murray :: Date: Monday, November 09, 2009 10:35 PM
Categories: Active Directory, Scripting, Windows Server

This script uses Powershell 2.0 with the Windows Server 2008 R2 Active Directory service provider and CMDlets.  Use the script to bulk create test user objects in AD.


Considerations when using a domain-based service account with AD LDS
Author: Tony Murray :: Date: Monday, April 13, 2009 9:39 PM
Categories: Active Directory, Tips and Tricks, Windows Server

When creating an AD LDS instance you are prompted to specify an account to use as the service account. At this point you can specify either the Network Service account or another account. Unless you have a particular need, you should choose the built-in Network Service account. If you opt for a domain-based service account you have to jump through a whole lot of hoops to get things working. Also, you typically end up giving your domain-based service account more permissions than are strictly necessary (as described later in this article). The Network Service account on the other hand provides an easy set up option and is a good choice from a security perspective given that the account has limited access to the local computer.

 
 
 
So why bother to use a domain-based service account at all? Well, if you have a number of services on your server all running under the context of the Network Service account there is potential for security compromise. In this scenario you may want to consider isolating the services from each other using dedicated service accounts.
 
What follows is a discussion of the steps required to configure AD LDS to use a domain-based service account.

Vbscript to determine domain and forest functional levels
Author: Alexei Segundo :: Date: Wednesday, April 08, 2009 7:09 PM
Categories: Active Directory, Scripting

This script was created to help when raising domain and forest functional levels, especially in larger environments. The script uses an authoritative DC to enumerate all the DCs in the forest. Each DC is then contacted in turn to determine what it thinks is the current domain and forest functional level. The goal is to ensure that the information is consistent across DCs before raising the functional level, and to ensure that replication distributes the changes successfully after raising the functional level.


The (Almost) Definitive Active Directory Blogroll
Author: Tony Murray :: Date: Saturday, November 01, 2008 8:42 PM
Categories: Active Directory

I subscribe to a number of Blogs with Active Directory content. As it took me a while to accumulate the list, I thought I would share it here.

Let me know if I have missed any out there that should be on this list.


LDAP tips #3: Searching for Computers
Author: Tony Murray :: Date: Thursday, September 25, 2008 10:57 PM
Categories: Active Directory, Tips and Tricks

This article is the third in a series providing tips for common LDAP searches.


Multiple Domain Forests: Still a Valid Design Model?
Author: Tony Murray :: Date: Monday, July 21, 2008 2:52 PM
Categories: Active Directory, Windows Server
On the ActiveDir.org list there has been some good discussion about whether the multi-domain forest is still considered a valid design option. This article attempts to crystallise the discussion for use as a reference for those involved with the design or review of forest models.
 
The general consensus is that single domain forests are now the preferred design option for all but the most marginal cases. Note that this does not preclude the use of multiple forests within a single organisation. For example, the use of the Exchange Resource forest in environments that have a distributed NOS architecture but a centralised messaging architecture is common in larger organisations.

Bulk Updates to Active Directory User Attributes
Author: David Wiseman :: Date: Thursday, June 12, 2008 3:52 PM
Categories: Active Directory

Describes how to make bulk updates to Active Directory User Attributes using freeware tools (from WiseSoft.co.uk).


How to Enable, Disable and Maintain OCS 2007 (Office Communications Server) User Attributes using VBScript.
Author: Matty Holland :: Date: Thursday, May 15, 2008 4:51 PM
Categories: Active Directory, Scripting

This script will enable and configure Active Directory users for OCS 2007.  This is an updated version of the re-written LCS reskit script published in article: How to Enable, Disable and Maintain LCS (Live Communications Server) User Attributes using VBScript.


How to delete corrupt mail items with MFCMAPI
Author: Alexei Segundo :: Date: Tuesday, April 22, 2008 12:58 AM
Categories: Exchange
I recently encountered a situation where Outlook could not open two emails within a mailbox located within an Exchange mail store. Not only could I not open the items, I couldn’t move or delete them either. It was frustrating as it was causing some problems for an email archiving product. 
 
I eventually managed to delete the two emails using the MFCMAPI tool. This article explains the method used and provides screenshots to guide you through the process.

Tracking LDAP Searches with Windows Server 2008 Reliability and Performance Monitor
Author: Tony Murray :: Date: Tuesday, February 26, 2008 4:39 PM
Categories: Active Directory, Windows Server

Windows Server 2008 ships with the Reliability and Performance Monitor (RPM) snap-in.  On DCs, RPM incorporates an Active Directory Diagnostics feature that includes the abilility to track LDAP searches against a DC.  The amount of information captured can be very useful when troubleshooting LDAP issues.

This article provides a step by step guide on how to use RPM to track LDAP searches.


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