Event ID 10031External password change blocked

What to check

Find out what tried to change it; nothing else should manage this password.

Find it with PowerShell

Run on the machine that logs it.

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2Get-WinEvent -FilterHashtable @{ LogName = 'Microsoft-Windows-LAPS/Operational'; Id = 10031 } -MaxEvents 50 |
    Format-List TimeCreated, Id, Message

Hunt for it in Sentinel or Log Analytics

This works once a data collection rule sends the Microsoft-Windows-LAPS/Operational log to your workspace, where it lands in the Event table.

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5Event
| where TimeGenerated > ago(7d)
| where EventLog == "Microsoft-Windows-LAPS/Operational" and EventID == 10031
| project TimeGenerated, Computer, Source, RenderedDescription
| order by TimeGenerated desc

Related LAPS events

• Event ID 10003: LAPS policy processing started
• Event ID 10004: LAPS policy processing succeeded
• Event ID 10005: LAPS policy processing failed
• Event ID 10018: Password backed up to Active Directory
• Event ID 10029: Password backed up to Microsoft Entra ID
• Event ID 10020: Local account password updated
• Event ID 10021: Policy configuration: Active Directory backup
• Event ID 10022: Policy configuration: Microsoft Entra ID backup

Search all 123 event IDs →