people
Business Partner Conversion
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Multi-ECC Harmonization
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Data Quality Remediation
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Governance Framework
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warning_amber The S/4HANA Master Data Challenge

S/4HANA has stricter data requirements than ECC. The mandatory Business Partner model, simplified data structures, and enhanced data validation mean that "lift and shift" migrations fail. Organizations consolidating multiple ECC instances face additional complexity: duplicate customers and vendors, inconsistent material numbering, and conflicting chart of accounts. A structured master data strategy is essential for migration success.

Migration Strategy Phases

A proven approach to master data excellence in S/4HANA

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Discovery & Assessment

Understand your current state

  • check_circle Inventory master data across all ECC instances
  • check_circle Profile data quality (completeness, duplicates)
  • check_circle Document data ownership and gaps
  • check_circle Identify S/4HANA requirement gaps
architecture

Design & Harmonization

Define target state and rules

  • check_circle Design target data model for S/4HANA
  • check_circle Define harmonization rules (numbering, naming)
  • check_circle Map cross-ECC duplicates to golden records
  • check_circle Establish governance model
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Remediation & Enrichment

Clean and enhance data

  • check_circle Automated cleansing (address, phone, email)
  • check_circle Manual stewardship for exceptions
  • check_circle Fill required S/4HANA fields
  • check_circle Resolve duplicates with survivorship rules
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Migration & Go-Live

Load, validate, and govern

  • check_circle Iterative mock migrations (3+ cycles)
  • check_circle Business Partner conversion
  • check_circle Sequenced load (foundation → extended)
  • check_circle Post-go-live governance activation

swap_horiz Critical: Business Partner Conversion

S/4HANA mandates the Business Partner (BP) model. Customers (KNA1) and Vendors (LFA1) from ECC must be converted to Business Partners with appropriate roles. When a party is both a customer AND vendor, they become a single BP with multiple roles - reducing duplicates and providing a unified view.

ECC Source

person Customers (KNA1) - 25,000
business Vendors (LFA1) - 8,000
compare_arrows Overlap - 2,000
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S/4HANA Target

group Business Partners - 31,000
badge With Customer Role
badge With Vendor Role

Master Data Domains

Prioritized domains for S/4HANA migration

people

Business Partner

Customer + Vendor → BP with roles

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Material Master

Products, BOMs, Classifications

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Chart of Accounts

GL accounts, Cost Elements

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Org Structure

Company Codes, Plants, Sales Orgs

account_tree

Cost Centers

Profit Centers, Hierarchies

payments

Bank Master

Bank accounts, Payment methods

Typical Migration Timeline

1
Discovery
2-3 months
2
Design
2-3 months
3
Harmonize
4-6 months
4
Build
3-4 months
5
Test
4-6 months
6
Go-Live
1-2 weeks

Ready to Plan Your S/4HANA Master Data Strategy?

Explore the complete methodology through our interactive tutorial or see how ZMDM supports your migration journey

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