Thursday June 20, 2019


Trouble creating Posts

Issue Summary:

On June 20, 2019 at 2:13 p.m. PDT, some users began receiving "404" errors when attempting to create new Posts. After some investigation, the root cause was traced to a particular server. Restarting this server's processes fixed the issue and normal function was restored by 6:23 p.m. PDT.

7:19 PM PST

We're seeing positive signs that Posts can be created again. We're sorry for the disruption this caused. If you continue to have any trouble creating Posts, please let us know through

6:08 PM PST

Some people may be having an issue creating Posts. We’re currently investigating and will have more information shortly. Thank you for your patience.

5:29 PM PST

Services affected





Some people may have trouble loading images

Issue Summary:

On June 20, 2019 at 12:29 p.m. PDT, a small number of servers started experiencing issues. As a result, image previews, in addition to Twitter feeds, began failing. By 3:30 p.m., the problematic servers were fixed and these features started displaying as expected.

6:37 PM PST

For those affected, we’re happy to report that all images should be loading properly in Slack. We apologize for the inconvenience. We’ll report back with an Issue Summary shortly.

3:35 PM PST

We're making some progress, but we're not yet in the clear. We'll be updating you again soon. Thanks for your patience today.

2:55 PM PST

We're still working on getting images to load once again. We hope to have an update soon. Thank you for sticking with us!

2:25 PM PST

We’re still looking into why images aren't loading for some people, but we don’t have additional information just yet. We’ll continue to keep you posted.

1:55 PM PST

Some people may be seeing blank boxes instead of images in Slack. We're sorry for the inconvenience, and we're looking into this now.

1:25 PM PST

Services affected

Link Previews




Issues with the contact form on the Help Center page

The issues with our Help Center contact form should now be resolved. We apologize for any trouble caused and are grateful for your patience.

5:55 AM PST

We can confirm that only the English UK and English US help center pages are impacted by this issue, and that this only affects paid users who are logged into Slack at this time.

5:12 AM PST

If you click on the 'write a message button' on our contact form and do not get redirected, please scroll down the page manually to submit form, and that should work.

4:58 AM PST

We are currently experiencing some issues with the contact form on our help center page. We apologise for any inconvenience and are actively investigating.

4:41 AM PST

Services affected