Industry research shows that delays in S/4HANA migrations are frequently driven by integration-related issues, while legacy customizations are being cited as the leading factor putting the success of such migrations at risk. An area that relates to both is enterprise messaging.

With the end of maintenance for SAP ECC and SAP NetWeaver approaching, the pace of SAP S/4HANA migrations continues to accelerate. Several recent publications from user groups, SAP and consulting firms explore how organizations tackle their migration journeys. A 2025 survey by ASUG offers particularly valuable insights into the strategies companies rely on and the challenges they encounter in their S/4HANA projects.