What tables are replaced in S/4HANA?

Major table replacements in S/4HANA include: BSEG replaced by ACDOCA (Universal Journal), KNA1/LFA1 replaced by BUT000 (Business Partner), MSEG/MKPF replaced by MATDOC, and VBUP/VBUK status fields merged into VBAP/VBAK. CDSee tracks the migration status of all affected ECC tables.

How do I find CDS View replacements for BW extractors?

SAP Note 2500202 documents CDS View replacements for BW DataSources. CDSee indexes all 4,700+ extractors with their classification (whitelisted, deprecated, not relevant) and maps them to CDS View replacements where available.

What is the Universal Journal (ACDOCA) in S/4HANA?

ACDOCA is the Universal Journal table in S/4HANA that replaces multiple FI and CO line item tables including BSEG, FAGLFLEXA, COEP, and others. It provides a single source of truth for all financial postings.

Complete ECC to S/4HANA Migration Guide

Migrating from SAP ECC to S/4HANA involves significant changes to the data model. Tables are replaced, merged, renamed, or deprecated. BW extractors are retired in favor of CDS-based extraction. This guide provides a comprehensive overview of all migration-related resources on CDSee.

Table Migration Mappings

SAP has restructured hundreds of database tables in S/4HANA. Key changes include the introduction of the Universal Journal (ACDOCA), the Business Partner model (BUT000), and the simplified material document table (MATDOC). CDSee tracks the migration status of every affected ECC table.

Browse all ECC to S/4HANA table migration mappings →

Key Migration Scenarios

BSEG → ACDOCA

The Universal Journal replaces BSEG, FAGLFLEXA, COEP, and other FI/CO line item tables into a single table.

KNA1/LFA1 → BUT000

Customer and vendor master data are unified in the Business Partner model.

MSEG/MKPF → MATDOC

Material document header and item tables are merged into a single table.

VBUP/VBUK Removal

Sales document status tables are eliminated — status fields move to VBAP and VBAK.

CO Tables → ACDOCA

Controlling tables COEP, COBK, COSS, and COSP are replaced by the Universal Journal.

BW Extractor Migration

SAP Note 2500202 documents the retirement roadmap for 4,700+ BW DataSources. Each extractor is classified as whitelisted, deprecated, or not relevant, with CDS View replacements where available.

Browse BW DataSource to CDS View mapping reference →

Read: BW Extractor to CDS View Migration Guide →

Deprecated CDS Views

SAP regularly deprecates CDS Views and provides successor views through VDM lifecycle annotations. Tracking these deprecations is essential for maintaining stable integrations and reports.

Browse all deprecated CDS Views with successors →

Read: S/4HANA CDS View Deprecation Guide →

Understanding the New Data Model

S/4HANA introduces a fundamentally different data model based on CDS Views and the Virtual Data Model (VDM). Understanding this architecture is key to a successful migration.