How To Fix /SAPAPO/SCC998 - No connection to destination & could be established

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/SCC -

• Message number: 998

• Message text: No connection to destination & could be established

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.

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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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPAPO/SCC998 - No connection to destination & could be established ?

  The SAP error message /SAPAPO/SCC998 No connection to destination & could be established typically indicates that there is an issue with the connection to a specific destination in the SAP system, often related to the SAP Advanced Planning and Optimization (APO) module. This error can arise due to various reasons, including configuration issues, network problems, or incorrect destination settings.
  Causes:
  
  Incorrect Destination Configuration: The destination in the SAP system may not be configured correctly in transaction SM59.
  Network Issues: There may be network connectivity problems between the SAP system and the target destination.
  Authorization Issues: The user may not have the necessary authorizations to access the destination.
  Service Availability: The service or application that the destination points to may be down or not running.
  Firewall Restrictions: Firewalls may be blocking the connection to the destination.
  
  Solutions:
  
  
  Check Destination Configuration:
  
  Go to transaction SM59 and check the configuration of the RFC destination that is causing the issue.
  Ensure that the destination is correctly defined, including the connection type, target host, and system number.
  
  
  
  Test Connection:
  
  In SM59, use the "Test Connection" button to verify if the connection can be established. This will help identify if the issue is with the configuration or the network.
  
  
  
  Review Network Settings:
  
  Ensure that there are no network issues preventing the connection. Check if the target server is reachable from the SAP server using tools like ping or telnet.
  
  
  
  Check User Authorizations:
  
  Verify that the user has the necessary authorizations to access the destination. This may involve checking roles and profiles assigned to the user.
  
  
  
  Check Service Availability:
  
  Ensure that the service or application that the destination points to is up and running. This may involve checking logs or contacting the system administrator of the target system.
  
  
  
  Firewall Configuration:
  
  If applicable, check the firewall settings to ensure that they are not blocking the connection to the destination.
  
  
  
  Review SAP Notes:
  
  Check for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  
  
  
  Related Information:
  
  
  Transaction Codes: 
  
  SM59 - RFC Destinations
  SICF - HTTP Services
  ST22 - Dump Analysis
  SM21 - System Log
  
  
  
  SAP Documentation: Refer to the official SAP documentation for more detailed information on configuring RFC destinations and troubleshooting connectivity issues.
  
  
  SAP Community: Engage with the SAP Community forums for insights from other users who may have encountered similar issues.
  
  
  By following these steps, you should be able to diagnose and resolve the /SAPAPO/SCC998 No connection to destination & could be established error in your SAP system.