Object Access Event: 4870

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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 their Active Directory. This helps them 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.

Object Access » Object Access Event: 4870

Event ID 4870 – Certificate Services Revoked A Certificate

Event ID 4870
Category Object Access: Certification Services
Type Success Audit
Description Certificate Services revoked a certificate.

Event 4870 is logged when a certificate is revoked by an administrator. This is accompanied by the moving of the certificate to the Revoked Certificates folder. The log provides the reason for revocation as well. This event is logged only if the corresponding feature is enabled in the CA's properties tab.

This log data provides the following information:

  • Serial Number
  • Reason

Why does event ID 4870 need to be monitored?

This event log does not mention who revoked the certificate. This can be found out only by matching the serial number in the log to the corresponding certificate in the Revoked Certificates folder.

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 4870 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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