Posts tagged: tombstone

Aug 05 2010

Powershell: restore AD object with group membership

The purpose of this article is to show how to restore deleted objects with their group membership using Powershell. In order to achieve this you will need to set up a lag site in your domain. If your domain functional level is Windows 2008R2 and you have turned on the recycle bin, you can simply restore an object with its group membership using Microsoft Powershell 2.0 Cmdlets without any lag site.

The method we will describe to achieve practically the same result works starting Windows 2003 server and later versions. We will restore objects from the Tombstone using Quest AD Cmdlets, your administration console should be at least running Windows XP, you do not need to install the RSAT (running on Windows 7 and 2008 server). You might have noticed on the latest AD news sidebar that QAD Cmdlets version 1.4 was released a few days ago. The disadvantage of the method described is that it might be not supported by MS, for best practices regarding deleted objects restore you can read this KB article, you will also need to modify your Active Directory schema. Use this method if a few accounts are deleted, if have you deleted an entire OU use a proper authoritative restore. The advantage of using the powershell script is that the restore process is really quick.

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Mar 18 2010

Reduce the size of ntds.dit

On this post we will describe how to do a spring clean on your active directory database file ntds.dit.
The first step will be to search for stale objects in your domain, if after collecting those objects you don’t find many of them, do not hope to gain some space on your database. For example the size of a user object is at the minimum 4Ko, the size may vary depending on the number of attributes the account has. Check this article for more information on objects size.
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