How To Fix /BDL/TASKMANAGER078 - RFC connection &1 does not work

SAP Error Message - Details

• Message type: E = Error

• Message class: /BDL/TASKMANAGER -

• Message number: 078

• Message text: RFC connection &1 does not work

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 /BDL/TASKMANAGER078 - RFC connection &1 does not work ?

  The SAP error message /BDL/TASKMANAGER078 RFC connection &1 does not work typically indicates that there is an issue with the Remote Function Call (RFC) connection in the SAP system. This error can occur in various scenarios, particularly when trying to execute background jobs or when there are issues with the communication between different SAP systems or between an SAP system and an external system.
  Causes:
  
  Network Issues: There may be network connectivity problems between the SAP systems or between the SAP system and the external system.
  RFC Destination Configuration: The RFC destination may not be configured correctly in the SAP system. This includes incorrect parameters, such as the target system's IP address, port, or user credentials.
  Authorization Issues: The user credentials used for the RFC connection may not have the necessary authorizations to perform the required actions.
  System Availability: The target system may be down or not available, leading to the failure of the RFC connection.
  Firewall Restrictions: Firewalls or security settings may be blocking the RFC communication.
  SAP Gateway Issues: Problems with the SAP Gateway service can also lead to RFC connection failures.
  
  Solutions:
  
  Check Network Connectivity: Ensure that there is proper network connectivity between the systems involved. You can use tools like ping or traceroute to diagnose network issues.
  Verify RFC Destination:
  
  Go to transaction SM59 in the SAP GUI.
  Check the configuration of the RFC destination that is causing the error. Ensure that the connection type, target host, and system number are correct.
  Test the connection using the "Test Connection" button in the SM59 transaction.
  
  
  Check User Authorizations: Ensure that the user credentials used for the RFC connection have the necessary authorizations to access the target system.
  Check System Status: Verify that the target system is up and running. You can check the system status in transaction SM51 or by logging into the target system directly.
  Review Firewall Settings: If applicable, check the firewall settings to ensure that the necessary ports for RFC communication are open.
  Check SAP Gateway: Ensure that the SAP Gateway service is running properly. You can check the status of the gateway using transaction SMGW.
  Review Logs: Check the system logs for any additional error messages that may provide more context about the issue. You can use transaction SM21 to view the system log.
  
  Related Information:
  
  Transaction Codes:
  
  SM59: RFC Destinations
  SM51: List of SAP Systems
  SMGW: SAP Gateway Monitor
  SM21: System Log
  
  
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address specific issues related to RFC connections.
  Documentation: Review SAP documentation for detailed information on configuring and troubleshooting RFC connections.
  
  If the issue persists after following these steps, it may be necessary to involve your SAP Basis team or consult SAP support for further assistance.