How To Fix SMOIWS021 - Connection test with destination '&' terminated due to timeout

SAP Error Message - Details

• Message type: E = Error

• Message class: SMOIWS -

• Message number: 021

• Message text: Connection test with destination '&' terminated due to timeout

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 SMOIWS021 - Connection test with destination '&' terminated due to timeout ?

  The SAP error message SMOIWS021 indicates that a connection test with a specified destination has failed due to a timeout. This typically occurs when the system is unable to establish a connection to the specified destination within the allotted time frame. Here are some potential causes, solutions, and related information for this error:
  Causes:
  
  Network Issues: There may be network connectivity problems between the SAP system and the target destination (e.g., another SAP system, a database, or an external service).
  Destination Configuration: The destination configuration in the SAP system (transaction SM59) may be incorrect or incomplete.
  Firewall Restrictions: Firewalls or security settings may be blocking the connection to the destination.
  Service Availability: The service or server you are trying to connect to may be down or not responding.
  Timeout Settings: The timeout settings for the connection may be too short, causing the connection to fail before it can be established.
  
  Solutions:
  
  
  Check Network Connectivity:
  
  Use tools like ping or traceroute to verify that the SAP system can reach the destination.
  Ensure that there are no network outages or issues.
  
  
  
  Verify Destination Configuration:
  
  Go to transaction SM59 and check the configuration of the RFC destination.
  Ensure that the connection type, target host, and service number are correctly configured.
  Test the connection from within SM59 to see if it succeeds.
  
  
  
  Review Firewall Settings:
  
  Check if there are any firewall rules that might be blocking the connection.
  Ensure that the necessary ports are open for communication.
  
  
  
  Check Service Availability:
  
  Verify that the target service or server is up and running.
  If applicable, check logs on the target system for any errors or issues.
  
  
  
  Adjust Timeout Settings:
  
  If the connection is taking longer than expected, consider increasing the timeout settings in the destination configuration in SM59.
  
  
  
  Check SAP Notes:
  
  Look for any relevant SAP Notes that might address this specific error or provide additional troubleshooting steps.
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  SM59: RFC Destinations (Display/Maintain)
  SM21: System Log
  ST22: Dump Analysis
  SICF: HTTP Service Hierarchy
  
  
  
  Logs and Traces:
  
  Check the system logs (SM21) and short dumps (ST22) for any related errors that might provide more context.
  Use transaction SLG1 to check application logs if applicable.
  
  
  
  SAP Support:
  
  If the issue persists after troubleshooting, consider reaching out to SAP Support with detailed information about the error, including any logs or traces that may help diagnose the problem.
  
  
  
  By following these steps, you should be able to identify and resolve the cause of the SMOIWS021 error in your SAP system.