How To Fix /SAPAPO/RSP728 - Error when setting up connection

/SAPAPO/RSP728 - Overview

• Message type: E = Error

• Message class: /SAPAPO/RSP -

• Message number: 728

• Message text: Error when setting up connection

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPAPO/RSP728 - Error when setting up connection ?

  The SAP error message /SAPAPO/RSP728 typically occurs in the context of SAP Advanced Planning and Optimization (APO) when there is an issue with the connection setup, often related to the integration between SAP APO and other SAP systems or databases. Here’s a breakdown of the potential causes, solutions, and related information for this error:
  Causes:
  
  Network Issues: There may be network connectivity problems between the SAP APO system and the connected system (e.g., SAP ERP).
  Configuration Errors: Incorrect configuration settings in the RFC (Remote Function Call) destination or in the APO system settings.
  Authorization Issues: The user credentials used for the connection may not have the necessary authorizations.
  System Availability: The target system may be down or not available for connections.
  Version Compatibility: There may be compatibility issues between different versions of SAP systems.
  
  Solutions:
  
  
  Check Network Connectivity:
  
  Ensure that the network connection between the systems is stable and operational. You can use tools like ping or traceroute to