Slack Provisioning Error "Internal Server Error. Errors reported by the connector : fatal_error"
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Overview
Slack provisioning flow fails with the following error visible in the Okta dashboard:
Automatic provisioning of user <username> to app Slack failed: Error while verifying if user exists: Internal Server Error. Errors reported by the connector : "fatal_error"
Applies To
- Slack
- Provisioning
- Error
Cause
When Okta tried to verify the specific user, this Internal Server Error was encountered from the Slack app because Slack's System for Cross-domain Identity Management (SCIM) server could not fulfill a request on the application side.
Refer to the Slack API documentation.
Solution
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Contact Slack Support to find out why the Slack SCIM server returned the Internal Server Error and to assist in implementing a resolution.
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After resolving the issue on the Slack side, attempt the user provisioning again. Go to Okta Admin Console and navigate to Dashboard > Tasks. Any failed assignments should appear under Tasks.
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After identifying the failed task for the user that should be retried, click on Retry Selected.
