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I received an Authentication error while configuring OKTA, why?

Updated over a month ago

Issue

I've tried to configure the Okta SSO, but every time I do it, I receive the following error:

Authentication error: SAML SSO failed, The response was received at https://sentry.io/saml/acs/{slug}/ instead of https://sentry.io//saml/acs/{slug}/

Applies To

  • Customers on the Business plan or above

Resolution

This happens when the Base URL in the Okta configuration not correct - if the Base URL is nothttps://sentry.io or does have a trailing slash or whitespace at the end, it will break the redirect from Okta to Sentry.

Screenshot 2025-03-11 at 15.23.54.png
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