DNS hardening changes in the August 2024 security update may cause timeout errors for outdated domain configurations

Originally posted by Microsoft Aug 14, 2024 Uncategorized 0 Comments

After installing the Windows August 2024 security update, DNS Server Security hardening changes to address CVE-2024-37968 may result in SERVFAIL or timeout errors for DNS query requests. These errors may occur if the domain configurations are out of date.

When will this happen: 
The errors may occur after installing the Windows August 2024 security update, released August 13, 2024.
 
What you need to do to prepare: 
To prepare for DNS hardening changes coming in the August 2024 security update, domain owners should ensure the DNS configurations for the domains are up-to-date and there is no stale data related to the domains.
Additional information: 
The DNS Server Security hardening changes to address CVE-2024-37968 affect the following Windows versions:
  • Windows Server, version 23H2
  • Windows Server 2022
  • Windows Server 2019
  • Windows Server 2016
  • Windows Server 2012 R2
  • Windows Server 2012
  • Windows Server 2008 R2 Service Pack 1
  • Windows Server 2008 SP2

Message ID: MC860722

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Joao Ferreira

I've been working with Microsoft Technologies over the last ten years, mainly focused on creating collaboration and productivity solutions that drive the adoption of Microsoft Modern Workplace.

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