Event ID 666 - Security Disabled Universal Group Member Removed
|Sub category||Distribution group management|
|Description||A member was removed from a security-disabled universal group|
When Active Directory objects such as an user/group/computer is removed from a universal distribution group, event ID 666 gets logged.
This log data gives the following information:
|Subject: User who performed the action||Security ID
|Member: Removed user/group/computer||Security ID
|Group: Universal distribution group from which the object was removed||Security ID
Why event ID 666 needs to be monitored?
- Prevention of privilege abuse
- Detection of potential malicious activity
- Operational purposes like getting information on user activity like user attendance, peak logon times, etc.
- Compliance mandates
ADAudit Plus audits, reports, and alerts group management actions performed on distribution and security groups making Active Directory auditing much easier.
Event 666 applies to the following operating systems:
- Windows Server 2000
- Windows 2003 and XP
Corresponding event ID for 666 in Windows Server 2008 and Vista is 4762