SAP Knowledge Base Article - Preview

3548286 - Error: "426 Upgrade Required" in SAP Business ByDesign Communication Arrangement

Symptom

When testing the connection of a Web Service Communication Arrangement in ByD, the following error occurs:

  • Checking connection failed
  • Ping failed (KBA: 2926863)
  • Upgrade Required

When debugging the response of the call on SDK, the following error code appears:

  • Error code: 426

On Header Parameters, you will find on some the following value:

  • Value: "HTTP/1.x 426 Upgrade Required"

Where x equals anything other than 0.


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Environment

  • SAP Business ByDesign
  • SAP Cloud Applications Studio

Product

SAP Business ByDesign all versions ; SAP Cloud Applications Studio all versions

Keywords

SAP Business ByDesign, Error 426, Upgrade Required, HTTPs version, SDK, Communication Arrangement, Check Connection, REST, Web Service. , KBA , AP-RC-BDS-WS , ByDesign Studio Web Services , Known Error

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