Slack reported an outage on February 26 and 27, with most options again up by Thursday however some points with messaging nonetheless persisting; particularly, some customized apps and bots didn’t work as anticipated. As well as, an issue with Slack Join meant coworkers won’t get notified if somebody pinged them with the @ command. In line with Downdetector, about 3,000 individuals had reported points on the peak of the issue.

As of Thursday morning, Slack stated most options had been restored. Customers nonetheless experiencing bother had been suggested to reload Slack (Command + Shift + R  on Mac or Ctrl + Shift + R on Home windows or Linux).

Slack workforce’s response to the outage, together with Slack Join suggestions

The lack of performance on Wednesday was “​​associated to Occasions API and is a symptom of an earlier incident about bother connecting to or loading Slack,” plus an unrelated drawback with Slack Join inflicting the shortage of notifications, Slack stated.

Our office sysadmin workforce introduced issues with Slack at round 1:00 p.m. EST on February 26, with some staff being unable to put up messages. (My work was not disrupted.)

SEE: Slack added instruments for robotically constructing workflows, together with for builders. 

By Wednesday night, Slack’s standing web site stated, “We’re persevering with to diligently work on database shard restore and have made progress on restoring affected replicas, although customers should still be experiencing affect.”

Later that day, Slack personnel had been engaged on “re-processing of the backend job to try to serve queued Occasions API requests.” Slack urged the next mitigation for customers having bother mentioning others utilizing Slack Join:

  1. Open the Slack desktop app, then click on Assist in your pc’s high menu bar. (On Home windows 10, click on the three horizontal strains icon within the high left of the Slack app.)
  2. Choose Troubleshooting.
  3. Click on Clear Cache and restart.

The Slack workforce stated the reason for the outage was “a symptom of an earlier incident,” and didn’t specify additional.

Messages, workflows, threads, and different API-related options had been final to return again on-line.

Previous outages and Slack’s place available in the market

Slack hasn’t had a serious outage like this since July 2023. Previous to that, the service went down a number of occasions in 2022 and in January 2021.

Slack is a serious associate in Salesforce’s Agentforce generative AI effort.

Opponents to Slack embody Microsoft Groups, Google Chat, and Pumble.