Event Details
Operating System->Microsoft Windows->Built-in logs->Windows 2000-2003->Security Log->Policy Change->EventID 620 - Trusted Domain Information Modified [Win 2003]
EventID 620 - Trusted Domain Information Modified [Win 2003]

Indicates that existing trust's properties have been successfully modified. For example, the transitivity was enabled.

Find more information about this event on ultimatewindowssecurity.com.

Corresponding events on other OS versions:

Windows 2000
 Windows 2008
     Sample: 
    Event Type:		Success Audit
Event Source:	Security
Event Category:	Policy Change 
Event ID:		620
Date:		04/05/2009
Time:		21:08:44
User:		RESEARCH\Alebovsky
Computer:		DC1
Description:
Trusted Domain Information Modified:
 	Domain Name:	LOGISTICS
 	Domain ID:		-
 	Modified By:
 	  User Name:		Alebovsky
 	  Domain:		RESEARCH
 	  Logon ID:		(0x0,0x28E22B60)
 	Trust Type:		-
 	Trust Direction:	-
 	Trust Attributes:	0
 	SID Filtering:		Disabled
    Log Type: Windows Event Log
     Uniquely Identified By:
    Log Name: Security
    Filtering Field Equals to Value
    OSVersion Windows 2003
    Category Policy Change
    Source Security
    EventId 620
    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
    Domain Name The name of the domain with which the trust has been modified InsertionString1 d3.local
    Domain ID ID of the domain with which the trust has been modified InsertionString2 -
    User Name The name of the user that made the change InsertionString3
    Domain Domain of the user that made the change InsertionString4 REDFIELD
    Logon ID ID of the logon session of the user that made the change. Useful for tracking other user activity during the same logon session. InsertionString5 (0x0,0x28E22B60)
    Trust Type 1 - NT 4.0 legacy trust; 2 - Kerberos realm trust; 3 - forest or domain trust with another active directory domain InsertionString6 3
    Trust Direction 1 - Trusted; 2 - Trusting; 3 - 2-way (mutual trust) InsertionString7 3
    Trust Attributes 1 - Transitive; 2 - Nontransitive InsertionString8 1
    SID Filtering Indicates whether SID history from the external domain is used in the local domain. InsertionString9 Disabled
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