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resources > security log resource center > encyclopedia > event 643

 

 

 

 

 

 

 

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Event ID

643

Title

Domain Policy Changed

Type: Example: Randy's Comments:
Success

OS:

Windows 2003

Category:

Account Management

Domain Policy Changed: - modified
Domain Name:ELM
Domain ID:ELM\
Caller User Name:administrator
Caller Domain:ELM
Caller Logon ID:(0x0,0x158EB7)
Privileges:-
Changed Attributes:
Min. Password Age:-
Max. Password Age:-
Force Logoff:-
Lockout Threshold:-
Lockout Observation Window:-
Lockout Duration:-
Password Properties:-
Min. Password Length:-
Password History Length:-
Machine Account Quota:-
Mixed Domain Mode:-
Domain Behavior Version:2
OEM Information:-

Unlike w2k, w3 properly logs this event only when the password or lockout policy or domain mode changes. Additionally the actual settings changed are identified with their new values under Change Attributes.

The following Changed Attributes correspond to settings group policy under Computer Configuration\Windows Settings\Security Settings\Account Policies\Password Policy:
Password Properties = "Password must meet complexity requirements" and "Store password using reversible encryption for all users in the domain"
- 0 = both complexity and reversible encryption disabled
1 = complexity enabled and reversible encryption disabled
- 16 = complexity disabled and reversible encryption enabled
- 17 = both complexity and reversible encryption enabled
Min. Password Age = Minimum password age
Max. Password Age = Maximum password age
Min. Password Length = Minimum password length
Password History Length = Enforce password history

The following Changed Attributes correspond to settings group policy under Computer Configuration\Windows Settings\Security Settings\Account Policies\Account Lockout Policy:
Lockout Threshold = Account lockout threshold
Lockout Observation Window = Reset account lockout counter after
Lockout Duration = Account lockout duration

The following Changed Attributes correspond to settings group policy under Computer Configuration\Windows Settings\Security Settings\Local Policies\Security Options:
Force Logoff = Network security: Force logoff when logon hours expire

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