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How do I set up Single Sign-on with Entra ID?

Setting up SSO with Entra ID on your RSVPify workspace.

Single sign-on (SSO) is an authentication method that enables users to securely authenticate with multiple applications and websites by using just one set of credentials.

This article walks you through setting up SSO with Entra ID.

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Open your SSO settings

  1. In the left menu, click Workspace settings.

  2. Click SSO.
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Verify your domain

  1. Click Add SSO configuration. This opens the Domain & SSO configuration drawer.

  2. Enter the domain that you will be using for SSO, then click Generate TXT record. This displays the verification key that will be used to verify ownership of the entered domain.
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  3. Add the verification key as a TXT record on your domain's DNS.

  4. Once the key is added, click Verify domain to complete the verification process.

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Configure SSO in Azure Active Directory

  1. In your Microsoft Azure portal, search for the Enterprise Applications service.
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  2. Create a new application within this service.
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  3. After clicking New application, you will be redirected to the application gallery. In the gallery, choose the Create your own application option.
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  4. In the application form, provide a name for the application (e.g., RSVPify SSO) and select the Non-gallery option.
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  5. After the application is created, you will be redirected to the application overview page. On this page, select the Set up single sign on option or choose the Single sign-on item from the navigation bar.
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  6. On the next screen, select SAML as the sign-on method.
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  7. Copy the following fields from the RSVPify SSO configuration form into your Basic SAML Configuration in Azure:

    • Azure AD identifier → Identifier / Entity ID

    • Reply URL → Reply URL

    Click Edit in the top right corner of this step in Azure to add the values from RSVPify.
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  8. Add a custom claim under Attributes & Claims. This claim is required for a successful SSO login to RSVPify. Click Edit on step 2 to open the Attributes & Claims configuration, then select Add new claim.
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  9. Create a new claim with the name set to email and the source attribute set to user.userprincipalname.
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  10. Save the new claim and navigate back to the Enterprise applications > SAML-based Sign-on page.

  11. Under SAML Certificates, download the Base64 certificate. Open the certificate in any text editor and copy its contents into the RSVPify form.
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  12. Under Set up RSVPify SSO, copy these values into the corresponding fields in the RSVPify form:

    • Login URL → SAML 2.0 Endpoint (HTTP) or SSO URL

    • Microsoft Entra Identifier → Entity ID or Issuer URL
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  13. After filling out all necessary fields, save the SSO configuration in RSVPify.

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Confirm SSO is configured

If everything is done correctly, the SSO configuration is saved and shows the Configured status.

⚠️ Important: From this moment, all workspace members will have to use the SSO login flow and will not be able to log in using their email address and password.

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