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If you don't mind giving your service database access, you could query

SELECT sValue FROM Setting WHERE sKey = 'dtLastHeartbeat'

If that value date/time is greater than a few minutes ago, the maintenance service is not running correctly.

show/hide this revision's text 1

If you don't mind giving your service database access, you could query

SELECT sValue FROM Setting WHERE sKey = 'dtLastHeartbeat'

If that value is greater than a few minutes, the maintenance service is not running correctly.