If you receive a connection error when logging into a repository, verify your software version. Go to Help > About SAP Data Services Designer to check your version string against the server's version. Even minor patch level variations can sometimes restrict access.
Q: What are the system requirements for SAP Data Services Designer? A: The system requirements for SAP Data Services Designer include Windows 10 (64-bit) or later, 64-bit processor, 8 GB RAM or more, and 2 GB or more disk space.