Object Access Event: 4891

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The Who, Where and When information is very important for an administrator to have complete knowledge of all activities that occur on his Active Directory. This helps him identify any desired / undesired activity happening. ADAudit Plus assists an administrator with this information in the form of reports. In real-time, ensure critical resources in the network like the Domain Controllers are audited, monitored and reported with the entire information on AD objects - Users, Groups, GPO, Computer, OU, DNS, AD Schema and Configuration changes with 200+ detailed event specific GUI reports and email alerts.

Account Management » Object Access Event: 4891

Event ID 4891 – A Configuration Entry Changed in Certificate Services

Event ID 4891
Category Object Access: Certification Services
Type Success Audit

Event 4891 is logged when changes, often corresponding to the Properties dialog of the CA, are made to the Certificate Services registry entries. Each entry can be of a different type.

This log provides the following information:

  • Node
  • Entry
  • Value

Why does event ID 4891 need to be monitored?

This event should be monitored to detect anomalous and malicious activity, and to prevent privilege abuse.

Pro Tip:

With 200+ reports and real-time email and SMS alerts, ADAudit Plus tracks all certificate services related events, thus helping you meet your security, operational, and compliance needs with absolute ease.

Event 4891 applies to the following operating systems:

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

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