Event-o-Pedia EventID 668 - Group Type Changed [Win 2000 / 2003]

	Event Details
	Operating System->Microsoft Windows->Built-in logs->Windows 2000-2003->Security Log->Account Management->EventID 668 - Group Type Changed [Win 2000 / 2003]

EventID 668 - Group Type Changed [Win 2000 / 2003]

Indicates that type or/and scope of "target" group was successfully changed by "caller" user.

Note:
This event occurs only on Domain Controllers.

There are two types of groups in Active Directory:

Distribution, or in other words security disabled, groups are for distribution lists in Exchange and cannot be assigned permissions or rights.

Security, or security enabled, groups can be used for assigning permissions, rights and as distribution lists.

There are 3 scopes of groups in Active Directory: Local, Global, Universal. Scope identifies the extent to which the group is applied in the domain tree or forest.

See Microsoft Technet article for more details on group types and scopes.

Find more information about this event on ultimatewindowssecurity.com.

Corresponding events on other OS versions:

Windows 2008

EventID 4764 - A groups type was changed

Sample:

        Event Type:     Success Audit
        Event Source:   Security
        Event Category: Account Management
        Event ID:       668
        Date:           10/26/2009
        Time:           07:39:56
        User:           RESEARCH\ALebovsky
        Computer:       DC1
        Description:
        Group Type Changed:
        Security Enabled Local Group Changed to Security Enabled Universal Group.
        Target Account Name:	Setup Operators
        Target Domain:	RESEARCH
        Target Account ID:	%{S-1-5-21-184992632-1607737289-1287950321-1179}
        Caller User Name:	Alebovsky
        Caller Domain:	RESEARCH
        Caller Logon ID:	(0x0,0x59DF36)
        Privileges:	-

Log Type:

Windows Event Log

Uniquely Identified By:

Log Name:

Security

Filtering Field	Equals to Value
OSVersion	Windows 2000 Windows 2003
Category	Account Management
Source	Security
EventId	668

Field Matching

Field	Description	Stored in	Sample Value
DateTime	Date/Time of event origination in GMT format.	DateTime	10.10.2000 19:00:00
Source	Name of an Application or System Service originating the event.	Source	Security
Type	Warning, Information, Error, Success, Failure, etc.	Type	Success
User	Domain\Account name of user/service/computer initiating event.	User	RESEARCH\Alebovsky
Computer	Name of server workstation where event was logged.	Computer	DC1
EventID	Numerical ID of event. Unique within one Event Source.	EventId	576
Description	The entire unparsed event message.	Description	Special privileges assigned to new logon.
Log Name	The name of the event log (e.g. Application, Security, System, etc.)	LogName	Security
Category	A name for a subclass of events within the same Event Source.	Category	Logon/Logoff
Caller User Name	Account initiating action	InsertionString5	Alebovsky
Caller Domain	Domain of the account initiating action	InsertionString6	RESEARCH
Caller Logon ID	A number uniquely identifying the logon session of the user initiating action. This number can be used to correlate all user actions within one logon session.	InsertionString7	(0x0,0x59DF36)
Target Account Name	Name of the account on which the action is performed	InsertionString2	Setup Operators
Target Domain	Domain name of the Target Account	InsertionString3	RESEARCH
Target Account ID	Target Account Name in the following format: Target Domain\Target Account Name	InsertionString4	%{S-1-5-21-184992632-1607737289-1287950321-1179}
Privileges	Contains the list of privileges. The purpose of this field is unknown. In most cases it is empty.	InsertionString8	-
Group Type Changed	Displays the old and new values of the type and scope of the group	InsertionString1	[type] [scope] Group Changed to [type] [scope] Group.