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Event ID: 642 Source: Security

Source
Description
User Account Changed: <change>
Target Account Name: <account name>
Target Domain: <domain>
Target Account ID: <account SID>
Caller User Name: <user that initiated the change>
Caller Domain: <domain>
Caller Logon ID: (0x0,0x<id number>)
Privileges: -
Comments
 
Check the following Microsoft articles for details on this event: ME173059, ME314444, ME314786, and ME822377.
A privileged user (i.e. Administrator) made changes to an account. For example the change can be "'Password Not Required' - Enabled" indicating that the account has been modified so it does not require a password.

This event may also be generated if you analyze the server security using the Microsoft Baseline Security Analyzer.

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