azureblog.co.uk
← cd ~/events
// events/653 · Entra Connect

Event ID 653Password hash sync heartbeat started

Password sync started telling Entra ID there is nothing to sync. Happens every 30 minutes when no passwords changed.

LogApplication
SourceDirectory Synchronization
AreaEntra Connect

What to check

Informational.

Find it with PowerShell

Run on the machine that logs it.

powershell2 lines
Get-WinEvent -FilterHashtable @{ LogName = 'Application'; Id = 653 } -MaxEvents 50 |
    Format-List TimeCreated, Id, Message

Hunt for it in Sentinel or Log Analytics

This works once a data collection rule sends the Application log to your workspace, where it lands in the Event table.

kql5 lines
Event
| where TimeGenerated > ago(7d)
| where EventLog == "Application" and EventID == 653
| project TimeGenerated, Computer, Source, RenderedDescription
| order by TimeGenerated desc

Related Entra Connect events

Search all 123 event IDs →