How To Fix RSAOLTP150 - Could not make connection to source system &1

SAP Error Message - Details

• Message type: E = Error

• Message class: RSAOLTP - Notifications in OLTP Source Environment

• Message number: 150

• Message text: Could not make connection to source system &1

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 RSAOLTP150 - Could not make connection to source system &1 ?

  The SAP error message RSAOLTP150, which states "Could not make connection to source system &1," typically occurs in the context of SAP BW (Business Warehouse) when there is an issue connecting to a source system, such as an SAP ERP system or another data source. Here are some common causes, solutions, and related information for this error:
  Causes:
  
  Network Issues: There may be network connectivity problems between the SAP BW system and the source system.
  Incorrect Configuration: The source system may not be correctly configured in the SAP BW system. This includes incorrect RFC (Remote Function Call) destination settings.
  Authorization Issues: The user credentials used to connect to the source system may not have the necessary authorizations.
  Source System Down: The source system may be down or not available for some reason.
  Version Compatibility: There may be compatibility issues between the versions of the SAP BW and the source system.
  Firewall Restrictions: Firewalls or security settings may be blocking the connection.
  
  Solutions:
  
  
  Check Network Connectivity:
  
  Use tools like ping or telnet to check if the source system is reachable from the SAP BW system.
  Ensure that there are no network outages or issues.
  
  
  
  Verify RFC Destination:
  
  Go to transaction SM59 in the SAP BW system and check the configuration of the RFC destination for the source system.
  Test the connection from SM59 to ensure it is working correctly.
  
  
  
  Check User Authorizations:
  
  Ensure that the user ID used for the connection has the necessary authorizations in both the SAP BW and the source system.
  Check roles and profiles assigned to the user.
  
  
  
  Check Source System Status:
  
  Verify that the source system is up and running. You can check the system status in the SAP GUI or through system monitoring tools.
  
  
  
  Review Logs:
  
  Check the system logs (transaction SM21) and the application logs (transaction SLG1) for any additional error messages that might provide more context.
  
  
  
  Firewall and Security Settings:
  
  Ensure that any firewalls or security settings allow traffic between the SAP BW and the source system.
  
  
  
  Consult SAP Notes:
  
  Look for relevant SAP Notes in the SAP Support Portal that may address specific issues related to this error message.
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  SM59: RFC Destination Configuration
  SM21: System Log
  SLG1: Application Log
  ST22: Dump Analysis (for ABAP runtime errors)
  
  
  
  SAP Documentation: Refer to the official SAP Help Portal for detailed documentation on connecting to source systems and troubleshooting connectivity issues.
  
  
  SAP Community: Engage with the SAP Community forums for insights and solutions from other users who may have encountered similar issues.
  
  
  By following these steps, you should be able to diagnose and resolve the RSAOLTP150 error effectively.