Zoho One - SSO configuration

This documentation has been tested and approved by Kelvin Zero's team

This documentation provides a step-by-step guide to setting up Single Sign-On (SSO) for Zoho One using MPAS. SSO simplifies user authentication by allowing access to multiple applications with a single set of credentials. This integration enhances security and improves user experience across your organization.
In order to complete this integration please make sure you have the following :
- Zoho One Account: Admin rights
- MPAS: Admin rights and SSO metadata
- Domain Verification: Your domain must be verified in Zoho One prior to the SSO configuration.
Important: Custom elements in URLs (like realm names) are case sensitive. Make sure to match the exact casing from your environment.
Configuring Zoho One
- On your Zoho One dashboard, click on the "Setup" icon located top right of your screen

- In the left menu, select "Security" and then "Custom Authentication"
- Click on "Add IdP"
- Complete the fields and click on "Save"
- Open Multi-Pass Dashboard
- Select your deployment, and click on "Admin Console"
- In the Admin Console, select "Clients" and fill the required fields, click on "Next" then Click on "Save"
- Complete the fields in the different sections
- Home URL = https://ca.auth.kzero.com/realms/<REALM NAME>/protocol/saml/clients/zoho
- Valid redirect URIs = https://desk.zoho.com/ - https://accounts.zoho.com/signin/sam[...]
- IDP-Initiated SSO URL name = zoho
- Name ID format = email
- Sign assertions = ON
- Click on "Realm Setting" and then on "Keys"
- Select certificate and Copy the text, paste it in a note to get a .txt file.
- Go back to Zoho One and complete the different fields
- Signin-url: https://ca.auth.kzero.com/realms/<REAL NAME>/protocol/saml
- signout-url: https://ca.auth.kzero.com/realms/<REALM NAME>/protocol/openid-connect/logout?redirect_uri=https%3A%2F%2Fdesk.zoho.com%2Fportal%2Fdeccanpl%2F
- Change-password: https://ca.auth.kzero.com/realms/<REALM NAME>/protocol/saml
Once Zoho One is integrated with MPAS, make sure you assign the SSO setting to the required Groups and/or Users in your Zoho Admin Console
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