Windows Security Log Event ID 639

Operating Systems Windows Server 2000
Windows 2003 and XP
CategoryAccount Management
Type Success
Corresponding events
in Windows 2008
and Vista
4735  

639: Security Enabled Local Group Changed

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Security local group changed.Type:

AD has 2 types of groups: Security and Distribution. Distribution (security disabled) groups are for distribution lists in Exchange and cannot be assigned permissions or rights. Security (security enabled) groups can be used for permissions, rights and as distribution lists.

Scope:

AD has 3 scopes of groups: Local, Global, Universal. See knowledge base article 326265.

This event does include group member additions and deletions for which there are other event IDs.

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Description Fields in 639

  • Target Account Name: %1
  • Target Domain: %2
  • Target Account ID: %3
  • Caller User Name: %4
  • Caller Domain: %5
  • Caller Logon ID: %6
  • Privileges: %7

Windows Server 2003 adds these fields:

  • Changed Attributes: (the following two fields are on Server 2008 only)
  • Sam Account Name: %8
  • Sid History: %9

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Examples of 639

Event Type: Success Audit
Event Source: Security
Event Category: Account Management
Event ID: 639
Date:  1/7/2009
Time:  7:47:52 PM
User:  STG\wsmith
Computer: STG
Description:
Security Enabled Local Group Changed:
  Target Account Name: Accounting
  Target Domain: STG
  Target Account ID: STG\Accounting
  Caller User Name: wsmith
  Caller Domain: STG
  Caller Logon ID: (0x0,0x31AA8)
  Privileges: -

For more information, see Help and Support Center at
http://go.microsoft.com/fwlink/events.asp.

Windows Server 2003 adds these fields:
Changed Attributes:
Sam Account Name:-
Sid History:-

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