Authentication requirement changing October 15
- PUBLISHED
- Aug 25, 2026
- EFFECTIVE
- Oct 15, 2026
- AFFECTS
- Microsoft Entra IDConditional Access
WHAT CHANGED
Microsoft announced a change to authentication behavior affecting organizations using specific identity configurations.
WHY IT MATTERS
Organizations that do not review the affected configuration before the effective date may experience authentication failures or security-policy conflicts.
WHAT TO DO
- 01Identify affected configurations.
- 02Review Conditional Access policies.
- 03Test required changes.
- 04Complete remediation before October 15.