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Introduction:

SAP has transitioned its development paradigm from SAP Web IDE to SAP Business Application Studio (BAS), pushing developers to migrate from legacy UI5 to Fiori applications to the new environment. This paper outlines a structured and scalable methodology to migrate SAP UI5 applications from WEB IDE to BAS, focusing on connectivity, tooling and configuration challenges.

Methodology:

  1. Log in to your BTP Account. Go into your space. Go to the Service Marketplace. Search for Business Application Studio. Open Business Application Studio Application.

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Note: Pre-Requisite - Cloud Connector and Destination should be set up for connectivity with the S4.

2. Click on Create Dev Space. Give some Dev Space Name—select the SAP Fiori on the left. On the right side, under Additional SAP Extensions select HTML5 Application Template, Launchpad Module, Basic UI5 Template. Click on Create Dev Space.

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3. Dev Space is created as shown below. It will take a few minutes to start. Once it's started, click on the Dev space. Here, I have named it “DemoMigration”. It will open the Development workspace. Bookmark this URL for future use and easy navigation to Workspace.

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4. For the first time, click on the menu on the top left and select the open folder. Search for Projects Folder. Click on OK.

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5. Click on Import on your Get Started page. It will prompt to start the migration. Select migration option. Below screen will appear.  

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6. Select Destination and Hostname and Client Details.

Conclusion:

Migrating SAP UI5 applications from SAP Web IDE to SAP Business Application Studio is more than a technical upgrade. It represents a strategic change towards a cloud-native and future ready development environment aligned with that of SAP’s roadmap. This blog outlined a well-structured migration methodology, which includes prerequisite connectivity set up, dev space configuration, project import and environment preparation within BAS. By following these steps, organizations can ensure a smooth transition while minimizing disruption to existing Fiori applications. This structured approach simplifies migration from WEB IDE to BAS. It supports scalable and cloud-aligned SAPUI5 development for public institutions and enterprises.

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