Event Details
Operating System->Microsoft Windows->Built-in logs->Windows 2000-2003->Security Log->Privilege Use->EventID 576 - Special privileges assigned to new logon
EventID 576 - Special privileges assigned to new logon

Indicates that a privilege that is not auditable on an individual-use basis has been assigned to a user's security context at logon. 

Some privileges are used so frequently that auditing their every use would flood the audit log with useless noise. For example, SeChangeNotifyPrivilege is also used to bypass traverse access checking. This privilege is granted to all users in a normal system configuration and is used multiple times for each file opened. This audit event record is intended to warn an administrator that such a privilege has been assigned. 

Find more information about this event on ultimatewindowssecurity.com.

Corresponding events on other OS versions:

Windows 2008

Related events:

This event is normally preceded by one of the following events:
        Event Type:     Success Audit
        Event Source:   Security
        Event Category: Privilege Use
        Event ID:       576
        Date:           10/26/2009
        Time:           07:31:44
        User:           NT AUTHORITY\SYSTEM
        Computer:       DC1
        Special privileges assigned to new logon:
        User Name:	DC1$
        Domain:		RESEARCH
        Logon ID:		(0x0,0x60F7C2)
        Privileges:	SeSecurityPrivilege
Log Type: Windows Event Log
 Uniquely Identified By:
Log Name: Security
Filtering Field Equals to Value
OSVersion Windows 2000
Windows XP
Windows 2003
Category Privilege Use
Source Security
EventId 576
Field Matching
FieldDescriptionStored inSample 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
Privileges The list of assigned privileges InsertionString4 SeSecurityPrivilege
Domain Domain of the user logging in InsertionString2 RESEARCH
Logon ID ID of the logon session. Useful for tracking other user activity during the same logon session. InsertionString3 (0x0,0x60F7C2)
User Name Account name of the user logging in InsertionString1 DC1$
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