Windows Security Log Event ID 668

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

668: Group Type Changed

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This event gets logged when scope or type of the "target" group is changed by the "caller" user.


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.


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

This event is logged only on Domain Controllers.

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Description Fields in 668

  •  Group Type Changed: %1
  •  Target Account Name: %2
  •  Target Domain: %3
  •  Target Account ID: %4
  •  Caller User Name: %5
  •  Caller Domain: %6
  •  Caller Logon ID: %7
  •  Privileges: %8

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Examples of 668

Group Type Changed:
[type] [scope] Group Changed to [type] [scope] Group.
Target Account Name:AccountStaff
Target Domain:ELMW2
Target Account ID:ELMW2\AccountStaff
Caller User Name:Administrator
Caller Domain:ELMW2
Caller Logon ID:(0x0,0x14E0CE)

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