Windows Security Log Event ID 4755
Operating Systems Windows 2008 R2 and 7
Windows 2012 R2 and 8.1
Windows 2016 and 10
 • Subcategory
Account Management
 • Security Group Management
Type Success
Corresponding events
in Windows 2003
and before
Discussions on Event ID 4755
Regd: A Security-enabled Universal group was changed

4755: A security-enabled universal group was changed

On this page

The user in Subject: changed the Universal Security group identified in Group:.

In Active Directory Users and Computers "Security Enabled" groups are simply referred to as Security groups. 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.

Universal means the group can be granted access in any trusting domain and may have members from any trusted domain.

This event is only logged on domain controllers.


The user and logon session that performed the action.

  • Security ID:  The SID of the account.
  • Account Name: The account logon name.
  • Account Domain: The domain or - in the case of local accounts - computer name.
  • Logon ID is a semi-unique (unique between reboots) number that identifies the logon session.  Logon ID allows you to correlate backwards to the logon event (4624) as well as with other events logged during the same logon session. 


  • Security ID:  The SID of the affected group
  • Group Name: Name of affected group
  • Group Domain:  Domain of affected group


  • SAM Account Name: Pre-win2k name of affected group
  • SID History:  used when migrating legacy NT domains or merging domains

Additional Information:

  • Privileges:  always "-"


Top 10 Windows Security Events to Monitor

A security-enabled universal group was changed.


   Security ID: %4
   Account Name: %5
   Account Domain: %6
   Logon ID: %7


   Security ID: %3
   Group Name: %1
   Group Domain: %2

Changed Attributes:

   SAM Account Name: %9
   SID History: %10

Additional Information:

   Privileges: %8

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