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You can configure Opal to authenticate users via SAML SSO by setting up a SAML provider. Okta and Google are officially supported, but you should be able to configure other providers. Use the following guides to set up SAML SSO for Okta or Google.

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Restrict logins to SAML only

By default, when you set up SAML SSO in Opal, Opal allows users to log in using either SAML SSO or Opal’s traditional sign-in options (e.g. Google, Microsoft 365). You can alternatively require that users must login to Opal via SAML. To do this:
  1. Go to Settings > Authentication > SAML SSO Settings.
  2. Set up a SAML connection using Okta SAML Setup or Google SAML Setup.
  3. Toggle Restrict logins to SAML only to ON.

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SAML breakglass users

Even if you’ve restricted your organization to log in via SAML, it can still be useful to allow a subset of users to log in with other methods. In Opal, these are called SAML breakglass users. To edit this list, ensure that Restrict logins to SAML only in Settings > Authentication > SAML SSO Settings is turned ON. Then:
  1. Click the Users button to edit the list of SAML breakglass users.
  2. Add or remove users to the list. All users on this list will be able to login to Opal via both SAML and non-SAML methods.
Last modified on September 11, 2025