AD Tidy

Version 2.1.5

Identify and clean up inactive user and computer accounts in your Active Directory domain
Search your Active Directory domain for user/computer accounts that are no longer in use by filtering based on last logon time, DNS record timestamp, and much more. You can then perform a number of actions on the accounts that were found - such as moving them to another OU, disabling them, setting a random password, removing them from all groups, and much more.

Free Edition (Version 2.1.4) Standard Edition (Version 2.1.5)
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Features
Report on both user and computer accounts
Search entire domain or select a specific OU
Multi-domain friendly - specify any domain and optionally use alternate credentials to connect to it
Get account last logon information from all DCs or select specific DCs (using either lastLogon attribute or lastLogonTimeStamp attribute)
Choose to only find accounts that have not logged on for a specified number of days
Confirm whether or not computer accounts are still active by using the Ping test and DNS record timestamp check
Powerful filtering capabilities let you filter results accounts based on name, group membership, expiration date, LDAP attribute, and more
Export report results to CSV or Excel XLSX file
Save report settings to file so that you can reload them whenever you want  or share them with colleagues
Option to reverse actions that were previously performed (Standard Edition only)
Command line support and Automated Rules allow for automation of account clean up tasks (Standard Edition only)

For any accounts that are found in the report, you can perform one or more of the following actions:
Disable
Enable
Delete
Move To Another OU
Set Description
Set Expiration Date
Add To Group
Remove From Group
Remove From All Groups
Hide From Exchange Address Lists
Delete home drive
Clear LDAP Attribute Value
Run External Script
Set Random Password
Set Password To Never Expire

You can also combine any of these actions into an Action Sequence to speed up common clean up tasks such as disabling accounts and moving them to another OU at the same time. Action sequences can be performed manually on any selected accounts, or by automated rules and command line scripts.

See reviews and ratings for this tool on the Spiceworks community forums here: AD Tidy Reviews


Screenshots (Standard edition) - Click to enlarge

Main Window Configuring a Filter
Main Window Filter
Available Actions Performing Actions
Actions list Performing actions
Reversing Actions Configuring Visible Columns
Reversing actions Selecting Columnsw
New Automated Rule - General New Automated Rule - Account Selection
New Rule General New Rule Accounts
New Automated Rule - Actions Automated Rules List
New Rule Actions New Rule Accounts
Configuring Action Sequence Creating Command Line Config File
Action Sequence Command Line