Windows Security Log Event ID 4930

Operating Systems Windows 2008 R2 and 7
Windows 2012 R2 and 8.1
Windows 2016 and 10
Windows Server 2019 and 2022
Category
 • Subcategory		Directory Service
 • Detailed Directory Service Replication
Type Success
Corresponding events
in Windows 2003
and before		  

4930: An Active Directory replica source naming context was modified

On this page

Directory Service replication has little to no security relevance.  I recommend disabling these 2 subcategories: 

  • Directory Service Replication
  • Detailed Directory Service Replication

Since DCSync and DCShadow have come out I've changed my mind about the above statement.  Check out this webinar AD Attack Deep Dive: Gaining Persistence using DCSync and DCShadow with Mimikatz

Free Security Log Resources by Randy

Setup PowerShell Audit Log Forwarding in 4 Minutes

 

Examples of 4930

An Active Directory replica source naming context was modified.

Destination DRA: CN=NTDS Settings,CN=WIN-R9H529RIO4Y,CN=Servers,CN=Default-First-Site-Name,CN=Sites,CN=Configuration,DC=acme-fr,DC=local
Source DRA: -
Source Address: 657aa2e2-f523-48ab-b573-e32d1d27fdd0
Naming Context: DC=acme,DC=com
Options:  0
Status Code: 0

Top 10 Windows Security Events to Monitor

Free Tool for Windows Event Collection

Stay up-to-date on the Latest in Cybersecurity
Sign up for the Ultimate IT Security newsletter to hear about the latest webinars, patches, CVEs, attacks, and more.
Work Email:

 

Upcoming Webinars
    Additional Resources

      Go To Event ID:

      Security Log
      Quick Reference
      Chart
      Download now!