How To Fix TA157 - Remote connection cannot be set up

TA157 - Overview

• Message type: E = Error

• Message class: TA - Extended table maintenance (eval., Customizing, client copy)

• Message number: 157

• Message text: Remote connection cannot be set up

What causes this issue?

The RFC connection cannot be set up.

How to fix this error?

Check the RFC connection with the transaction SM59.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message TA157 - Remote connection cannot be set up ?

  The SAP error message TA157, which states "Remote connection cannot be set up," typically indicates an issue with establishing a connection to a remote system. This can occur in various scenarios, such as when trying to connect to a remote SAP system, a database, or an external service.
  Causes:
  
  Network Issues: There may be network connectivity problems between the SAP system and the remote system.
  Configuration Errors: Incorrect configuration settings in the SAP system or the remote system can prevent a successful connection.
  Firewall Restrictions: Firewalls or security settings may be blocking the connection.
  Incorrect Credentials: The user credentials or connection parameters (like hostname, port, etc.) may be incorrect.
  Service Availability: The remote service or system may be down or not available.
  SAP Router Issues: If using an SAP router, there may be issues with the router configuration or availability.
  
  Solutions:
  
  
  Check Network Connectivity:
  
  Use tools like ping or traceroute to verify that the SAP system can reach the remote