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

SMOIWS021 - Overview

• 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.

SMOIWS021 - Details

• 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