Outage in Login.gov

Partial SMS delivery failures for AT&T customers in the United States

Resolved Minor
February 13, 2025 - Started 2 months ago - Lasted about 2 hours
Official incident page

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Outage Details

We are currently investigating an elevated error rate for text messages to AT&T customers in the United States. Two factor codes or phone verification codes delivered by SMS may return errors or fail to be delivered. Other two factor authentication mechanisms, such as Authenticator App (TOTP) or backup codes, should be unaffected. The team is working to identify the cause and resolve it. We appreciate your patience in the meantime.
Latest Updates ( sorted recent to last )
RESOLVED 2 months ago - at 02/13/2025 10:01PM

This incident has been resolved.

MONITORING 2 months ago - at 02/13/2025 09:44PM

Switching to alternate SMS short codes appears to be effective, and we are no longer seeing elevated error rates. We will continue to monitor the situation.

IDENTIFIED 2 months ago - at 02/13/2025 09:38PM

We have identified a potential mitigation. The downstream outage appears to affect only a subset of SMS short codes, so we are switching to different SMS short codes and will monitor the situation.

IDENTIFIED 2 months ago - at 02/13/2025 08:29PM

We are currently investigating an elevated error rate for text messages to AT&T customers in the United States.

Two factor codes or phone verification codes delivered by SMS may return errors or fail to be delivered.

Other two factor authentication mechanisms, such as Authenticator App (TOTP) or backup codes, should be unaffected.

The team is working to identify the cause and resolve it. We appreciate your patience in the meantime.

Latest Login.gov outages

Partial System Outage - 3 months ago
Degraded SMS delivery - 5 months ago

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