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Single Sign On (SSO) with Slack


  • Generate a public certificate and private key pair.
  • In order to successfully complete the integration between JumpCloud and Slack, you must use a team admin (administrator) account on a Slack Plus or Enterprise plan.
  • The email address of the JumpCloud accounts must correspond to the email address associated with the Slack Plus accounts.


  • How to configure User authorization.
  • We recommend that you initially configure Slack SSO to be Optional until you are sure your SSO configuration is working.

Configure the JumpCloud SSO Application

  1. Access the JumpCloud Administrator Console at
  2. Select Applications in the main navigation panel.
  3. Select the + in the upper left, scroll or search for the application in the 'Configure New Application' side panel, the select 'configure'.
  4. You can upload a service provider application's XML metadata file to populate SAML connector attributes for that application. The attributes populated by the metadata file may vary by the application. To apply a metadata file for the application you're connecting, click Upload Metadata. Navigate to the file you want to upload, then click Open. You'll see a confirmation of a successful upload. Be aware that if you upload more than one metadata file, you'll overwrite the attribute values applied in the previously uploaded file.
  5. In the IDP Entity ID field, enter https://YOURDOMAIN.TLD (e.g.,
  6. Select Upload IdP Private Key and upload the private.pem file generated according to the above prerequisites.
  7. Select Upload IdP Certificate and upload the cert.pem file generated according to the above prerequisites.
  8. In the SP Entity ID field, enter (replace TEAMNAME with your Slack account's registered team name).
  9. In the ACS URL field, enter (replace TEAMNAME with your Slack account's registered team name).
  10. In the field terminating the IdP URL, either leave the default value or enter a plaintext string unique to this connector.
  11. (Optional) In the Display Label field, enter a label that will appear beside the Slack logo within the JumpCloud console to guide administrators and users to the connection you have configured.
  12. Select Activate.

Configure the Service Provider

  1. Log in to Slack as an administrator (This user's email should also be managed by JumpCloud).
  2. From your desktop, click your workspace name in the top left. Select Administration, then Workspace settings from the menu.
  3. Select on Authentication in the sidebar.
  4. Under Configure an authentication method, select the Configure button to the right of SAML authentication.
  5. Select the radio button labelled Custom SAML 2.0, then select Configure.
  6. In the SAML 2.0 Endpoint (HTTP) field, enter the same IdP URL that you set in the JumpCloud console (if you did not modify the termination of this URL, then enter the default URL:
  7. In the Identity Provider Issuer field, enter (this should be the same value you entered while configuring JumpCloud).
  8. In the Public Certificate textfield, paste the contents of your public certificate.
  9. In Advanced Options, in the Service Provider Issuer field, enter (This should be the same value you entered in JumpCloud).  Check the box Responses Signed under Choose how the SAML response from your IDP is signed.
  10. In the Settings section, under the Authentication for your team must be used by: section, select the radio button for It's optional (You can change this behavior once you are sure your configuration is working).
  11. In the Customize section in the Sign In Button Label field, enter JumpCloud.
  12. Select the Save Configuration button.
  13. You will then be sent to the JumpCloud User Portal to perform an initial SSO login and confirm the configuration.
  14. Once you have completed SSO as the administrator account, your authentication settings will be verified and enabled.

Validate SSO authentication workflows

IdP Initiated

  • Access the JumpCloud User Console at
  • Select the Service Provider icon.
  • This should automatically launch and login to the application.

SP Initiated

  • In your Web browser, navigate to your team's Slack URL
  • Select Sign in with JumpCloud.
  • If necessary, log into the JumpCloud User Console as the appropriate user.
  • You should automatically be logged in to the Slack account.

Last Updated: May 15, 2019 10:57AM MDT

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