Windows Security Log Event ID 4929

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

4929: An Active Directory replica source naming context was removed

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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

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Examples of 4929

An Active Directory replica source naming context was removed.

Destination DRA: %1
Source DRA: %2
Source Address: %3
Naming Context: %4
Options:  %5
Status Code: %6

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