Thursday November 20, 2025

Incident

Some users unable to sign in

incident done Resolved

Following a period of monitoring and with user validation now received, this issue has been resolved. We apologize for any inconvenience this issue may have caused. 

4:09 PM PST

Update

We’ve identified a database authentication change that we believe caused this issue. We’ve reverted this change and via testing, believe users can now log in as expected to Slack services. We are currently validating this and will provide an update as soon as we have more to share.



4:01 PM PST

Investigating

Some users may experience trouble logging into Slack. We’re on the case and will provide another update once we have more details to share. We’re sorry for the disruption.

3:30 PM PST

Features affected

Login/SSO

Status

Incident