Microsoft’s DNS Drama: Entra ID Authentication Fiasco Fixed!
Microsoft fixed an Entra ID DNS snafu that left users locked out faster than you can say “seamless SSO.” The culprit? A DNS change gone rogue, leading to authentication failures. Microsoft swiftly reverted the change, restoring order and leaving users to wonder if their passwords were actually wrong. Spoiler alert: they weren’t.
Hot Take:
In a stunning display of “What could possibly go wrong?” Microsoft managed to play DNS Jenga and pull the wrong block, leaving users locked out and confused, wondering if their password was just one too many “123s” or if the tech giants had dropped the ball…again.
Key Points:
- Microsoft Entra ID DNS authentication failures were caused by a recent DNS change.
- The issue affected the domain autologon.microsoftazuread.sso.com, disrupting Azure services.
- The problem occurred for a little over an hour on February 25, 2025.
- The DNS change was part of a cleanup effort to remove duplicate IPv6 CNAMEs.
- Microsoft has a history of DNS-related issues impacting its services.
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