Microsoft Entra SSO integration with Proactis Rego Source-to-Pay

In this article, you learn how to integrate Proactis Rego Source-to-Pay with Microsoft Entra ID. Proactis Rego is a powerful Source-to-Pay software platform designed for mid-market organizations. It's easy to use and integrate, giving you control over your spend and supply-chain risks. When you integrate Proactis Rego Source-to-Pay with Microsoft Entra ID, you can:

  • Control in Microsoft Entra ID who has access to Proactis Rego Source-to-Pay.
  • Enable your users to be automatically signed-in to Proactis Rego Source-to-Pay with their Microsoft Entra accounts.
  • Manage your accounts in one central location.

You are able to configure and test Microsoft Entra single sign-on for Proactis Rego Source-to-Pay in a test environment. Proactis Rego Source-to-Pay supports SP initiated single sign-on.


To integrate Microsoft Entra ID with Proactis Rego Source-to-Pay, you need:

  • A Microsoft Entra user account. If you don't already have one, you can Create an account for free.
  • One of the following roles: Global Administrator, Cloud Application Administrator, Application Administrator, or owner of the service principal.
  • A Microsoft Entra subscription. If you don't have a subscription, you can get a free account.
  • Proactis Rego Source-to-Pay single sign-on (SSO) enabled subscription.

Add application and assign a test user

Before you begin the process of configuring single sign-on, you need to add the Proactis Rego Source-to-Pay application from the Microsoft Entra gallery. You need a test user account to assign to the application and test the single sign-on configuration.

Add Proactis Rego Source-to-Pay from the Microsoft Entra application gallery to configure single sign-on with Proactis Rego Source-to-Pay. For more information on how to add application from the gallery, see the Quickstart: Add application from the gallery.

Create and assign Microsoft Entra test user

Follow the guidelines in the create and assign a user account article to create a test user account called B.Simon.

Alternatively, you can also use the Enterprise App Configuration Wizard. In this wizard, you can add an application to your tenant, add users/groups to the app, and assign roles. The wizard also provides a link to the single sign-on configuration pane. Learn more about Microsoft 365 wizards..

Configure Microsoft Entra SSO

Complete the following steps to enable Microsoft Entra single sign-on.

  1. Sign in to the Microsoft Entra admin center as at least a Cloud Application Administrator.

  2. Browse to Identity > Applications > Enterprise applications > Proactis Rego Source-to-Pay > Single sign-on.

  3. On the Select a single sign-on method page, select SAML.

  4. On the Set up single sign-on with SAML page, select the pencil icon for Basic SAML Configuration to edit the settings.

    Screenshot shows how to edit Basic SAML Configuration.

  5. On the Basic SAML Configuration section, perform the following steps:

    a. In the Identifier textbox, type a URL using one of the following patterns:


    b. In the Reply URL textbox, type a URL using one of the following patterns:

    Reply URL<domainId>/login<domainId>/login<domainId>/login<domainId>/login<domainId>/login<domainId>/login

    c. In the Sign on URL textbox, type a URL using one of the following patterns:

    Sign on URL<domainId><domainId><domainId><domainId><domainId><domainId>


    These values are not real. Update these values with the actual Identifier, Reply URL and Sign on URL. Contact Proactis Rego Source-to-Pay support team to get these values. You can also refer to the patterns shown in the Basic SAML Configuration section.

  6. On the Set up single sign-on with SAML page, in the SAML Signing Certificate section, find Certificate (PEM) and select Download to download the certificate and save it on your computer.

    Screenshot of the Certificate download link.

  7. On the Set up Proactis Rego Source-to-Pay section, copy the appropriate URL(s) based on your requirement.

    Screenshot shows to copy configuration appropriate URL.

Configure Proactis Rego Source-to-Pay SSO

To configure single sign-on on Proactis Rego Source-to-Pay side, you need to send the downloaded Certificate (PEM) and appropriate copied URLs from the application configuration to Proactis Rego Source-to-Pay support team. They set this setting to have the SAML SSO connection set properly on both sides

Create Proactis Rego Source-to-Pay test user

In this section, you create a user called Britta Simon at Proactis Rego Source-to-Pay. Work with Proactis Rego Source-to-Pay support team to add the users in the Proactis Rego Source-to-Pay platform. Users must be created and activated before you use single sign-on.

Test SSO

In this section, you test your Microsoft Entra single sign-on configuration with following options.

  • Click on Test this application, this will redirect to Proactis Rego Source-to-Pay Sign-on URL where you can initiate the login flow.

  • Go to Proactis Rego Source-to-Pay Sign-on URL directly and initiate the login flow from there.

  • You can use Microsoft My Apps. When you click the Proactis Rego Source-to-Pay tile in the My Apps, this will redirect to Proactis Rego Source-to-Pay Sign-on URL. For more information, see Microsoft Entra My Apps.

Next steps

Once you configure Proactis Rego Source-to-Pay you can enforce session control, which protects exfiltration and infiltration of your organization’s sensitive data in real time. Session control extends from Conditional Access. Learn how to enforce session control with Microsoft Cloud App Security.