Active Directory Auditing Tool https://www.manageengine.com/products/active-directory-audit/account-management-events/event-id-4729.html Event ID 4729 - A member was removed from a security-enabled global group Event ID 4729 Category Account management Sub category Security group management Description A member was removed from a security-enabled global group When Active Directory objects such as an user/group/computer is removed from a security group, event ID 4729 gets logged.  This log data gives the following information: Subject: User who performed the action Security ID Account Name Account Domain Logon ID Member: Object removed from the security group Security ID Account Name  Group: Security group from which the object was removed Security ID Group Name Group Domain Additional Information Privileges Why event ID 4729 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 Pro tip: ADAudit Plus audits, reports, and alerts group management actions performed on distribution and security groups making Active Directory auditing much easier.  Event 4729 applies to the following operating systems:  Windows Server 2008 R2 and Windows 7 Windows Server 2012 R2 and Windows 8.1 Windows Server 2016 and Windows 10 Corresponding event ID for 4729 in Windows Server 2003 and older is 633