ERP source configuration for SAP Ariba

  • Release version: Xanadu
  • Updated June 23, 2025
  • 2 minutes to read
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    Summary of ERP source configuration for SAP Ariba

    This configuration enables ServiceNow Source-to-Pay (S2P) customers to integrate inbound and outbound processes with the SAP Ariba ERP system. It allows automatic posting and downloading of purchase orders, receipts, invoices, and primary data from SAP Ariba. The configuration supports multiple ERP sources, each with distinct service mappings, and allows customization of service-mapping logic to meet specific integration needs.

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    Key Features

    • Multiple ERP Instances Support: Allows configuration of multiple SAP Ariba instances with unique connection aliases and ERP source identifiers.
    • Service Mappings: Includes predefined service maps for entities such as Legal Entities, FX Currency Rates, Purchasing Organizations, Currencies, Payment Terms, GL Accounts, Cost Centers, Departments, Suppliers, and Invoices.
    • Authentication Setup: Supports creation of basic authentication profiles for secure web service integration with SAP Ariba.
    • Customization: Enables modification of service element map entries to tailor the integration logic to specific organizational requirements.

    Prerequisites

    • Assign the roles snfcmsintg.admin and snspendintg.admin to the integration user.
    • Obtain ERP integration user credentials and REST API details from your ERP team for the SAP Ariba system.
    • If integrating multiple ERP instances, configure each separately within S2P.

    Configuration Steps

    • Define the ERP source to integrate with SAP Ariba.
    • Create a basic authentication profile using SAP Ariba integration credentials.
    • Associate the authentication profile with the relevant service maps.
    • Define the source configuration that specifies the ERP connection details.
    • Configure service maps and subflows to lookup primary data entities such as legal entities, purchasing organizations, currencies, payment terms, GL accounts, cost centers, departments, suppliers, and invoices from SAP Ariba.

    Benefits for ServiceNow Customers

    Implementing this configuration enables seamless and automated data exchange between ServiceNow S2P and SAP Ariba ERP systems. It enhances accuracy and efficiency by automating purchase order and invoice processing, supports complex environments with multiple ERP instances, and allows customization to align with organizational processes.

    Configure your Source-to-Pay (S2P) instance to support inbound and outbound integration with your ERP system. This integration configuration enables you to post purchase order, receipt, invoice, and download primary data automatically from the ERP system.

    ERP source configuration enables the implementation of specific logic to populate values pertinent to third-party ERP systems. It includes all service mappings defined between Source-to-Pay (S2P) and the third-party ERP system. If multiple ERP sources exist, they’re stored as distinct ERP source entries with their corresponding service mappings.

    To meet specific requirements, you can customize the service-mapping logic by modifying the relevant service element map entry within the service map record. For organizations using multiple ERP systems, an ERP Source field has been incorporated into the tables to accurately identify the respective integrated ERP system.

    The ERP source configuration for SAP Ariba enables customers to establish multiple SAP Ariba instances. Each instance is identified by a distinct source, and the connection alias for each instance must be unique.

    Prerequisites

    Before you start the integration configuration, complete the following tasks.
    • Add the following roles to the Integration user:
      • sn_fcms_intg.admin
      • sn_spend_intg.admin
    • Get the following details from the ERP team:
      • ERP integration user credentials.
      • REST API details based on your ERP system you're using for the integration.
    Note:
    If the application must support multiple ERP instances, configure Source-to-Pay to integrate with each ERP instance separately.

    ERP Source Configuration

    To configure the ERP Source for SAP Ariba, perform the following steps:
    1. Define the ERP source that you want to integrate with the SAP Ariba integration.
    2. Create a basic authentication profile that can be used for the web service integration with SAP Ariba
    3. Register the SAP Ariba integration username and password to create the authentication profile and associate it to service maps.
    4. Define the source configuration for ERP source. The ERP source configuration determines the ERP source to which your ERP system connects. For more information, see Define ERP source configuration for SAP Ariba.
    5. Configure service maps for the following entities:
      • Legal Entities

        Set up subflows for the source configuration to lookup legal entities or company code details from SAP Ariba.

      • FX Currency Rates

        Set up subflows for the source configuration to lookup FX rates from SAP Ariba.

      • Purchasing Orgs

        Set up subflows for the source configuration to lookup purchasing organizations from SAP Ariba.

      • Currencies

        Set up subflows for the source configuration to lookup currencies from SAP Ariba.

      • Payment Terms

        Set up subflows for the source configuration to lookup payment terms from SAP Ariba.

      • GL Accounts

        Set up subflows for the source configuration to lookup GL accounts from SAP Ariba.

      • Cost Centers

        Set up subflows for the source configuration to lookup cost centers from SAP Ariba.

      • Departments

        Set up subflows for the source configuration to lookup departments from SAP Ariba.

      • Suppliers

        Set up subflows for the source configuration to lookup suppliers from SAP Ariba

      • Invoices

        Set up subflows for the source configuration to lookup invoices from SAP Ariba.

    Figure 1. ERP Source Configuration for SAP Ariba
    ERP Source Configuration for SAP Ariba