Object Access Event: 4666

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Object Access » Object Access Event: 4666

Event ID 4666 – An Application Attempted An Operation

Event ID 4666
Category Object Access: Application Generated
Type Success Audit
Description Event ID 4666 is logged when an application attempts an operation

This log data provides the following information:

  • Client Name
  • Client Domain
  • Client Context ID
  • Object Name
  • Scope Names
  • Application Name
  • Application Instance ID
  • Role
  • Groups
  • Operation Name

Why does event ID 4666 need to be monitored?

  • To monitor if an operation was attempted by an application
  • To detect abnormal and potentially malicious activity
  • To ensure compliance with regulatory mandates

Event 4666 applies to the following operating systems:

  • Windows 2008 R2 and 7
  • Windows 2012 R2 and 8.1
  • Windows 2016 and 10