Windows Security Log Event ID 644

644: User Account Locked Out

On this page

• Description of this event
• Field level details
• Examples

"Target" user account was locked out because of consecutive failed logon attempts exceeded lockout policy of domain - or in the case of local accounts the - local SAM's lockout policy.

In addition to this event Windows also logs an event 642 (User Account Changed)

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Description Fields in 644

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

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Additional Resources

•	Event IDs
•	All Event IDs
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