Wednesday, 7 October 2026

FIDO2 attestation reference adds five keys and updates MDS to version 285

The period brought two Entra ID documentation updates: the FIDO2 attestation reference now uses MDS version 285 rather than 279 and lists five additional security-key models, while the September SLA performance row adds a 99.999% value.

• Entra ID · Authentication

  FIDO2 attestation documentation adds five security-key models

  The Microsoft Entra ID attestation reference now points to MDS version 285 instead of 279 and includes five additional FIDO2 security-key models with their AAGUIDs and capability indicators. Administrators evaluating key attestation can use the updated identifiers without changing configuration.

• Entra ID · Monitoring

  September SLA performance table gains an additional 99.999% value

  The September row in the performance reference table now includes an additional 99.999% value. No administrator action is required; use the updated table when reviewing or citing September performance data.

This period briefing was generated by AI from the tracked Microsoft Learn and Message Center changes.