Thursday February 17, 2022

Notice

Some customers are unable to receive 2FA SMS messages

Issue summary:
On February 17, 2022 from 6:52 AM to 12:14 PM PST, some users experienced delivery interruptions for 2FA (two factor authentication) SMS messages when trying to login. This was caused by issues our SMS service provider was having. We verified that the affected users were able to receive the codes again once the incident was resolved.

2:32 PM PST

The issue for users not receiving 2FA (two-factor authentication) SMS messages has now been resolved. If you continue to experience any trouble, please reach out to us at feedback@slack.com.

12:13 PM PST

Some customers are unable to receive 2FA (two-factor authentication) SMS messages. This is due to an issue experienced by one of our upstream partners. We are investigating further and will share back when we have more updates.

7:15 AM PST

Services affected

Login/SSO

Status

Notice