How To Fix RSAPI_CTC018 - Connections to OSS is not maintained. Cannot get latest version of notes

SAP Error Message - Details

• Message type: E = Error

• Message class: RSAPI_CTC - Messages to be shown for BW SAPI configurations

• Message number: 018

• Message text: Connections to OSS is not maintained. Cannot get latest version of notes

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message RSAPI_CTC018 - Connections to OSS is not maintained. Cannot get latest version of notes ?

  The SAP error message RSAPI_CTC018 indicates that there is an issue with the connection to the SAP Online Service System (OSS). This error typically occurs when the system is unable to connect to OSS to retrieve the latest support notes or updates. Here are the potential causes, solutions, and related information for this error:
  Causes:
  
  Network Issues: There may be network connectivity problems preventing the SAP system from reaching the OSS.
  Incorrect Configuration: The connection settings for OSS might not be configured correctly in the SAP system.
  Authorization Issues: The user credentials used for the OSS connection may not have the necessary authorizations.
  Firewall Restrictions: Firewalls or security settings may be blocking the connection to OSS.
  SAP Router Issues: If you are using an SAP router, there may be issues with the router configuration.
  
  Solutions:
  
  
  Check Network Connectivity:
  
  Ensure that the SAP system can access the internet and specifically the OSS URL. You can test this by trying to ping the OSS server or accessing it through a web browser.
  
  
  
  Verify OSS Connection Configuration:
  
  Go to transaction SM59 and check the configuration of the RFC destination for OSS. Ensure that the connection type is set correctly (usually HTTP or HTTPS) and that the target host and service are correct.
  
  
  
  Check User Credentials:
  
  Ensure that the user ID and password used for the OSS connection are correct and that the user has the necessary authorizations to access OSS.
  
  
  
  Review Firewall Settings:
  
  If there are firewalls in place, ensure that they allow traffic to and from the OSS servers. You may need to consult with your network administrator.
  
  
  
  SAP Router Configuration:
  
  If you are using an SAP router, check the configuration to ensure that it is set up correctly to allow connections to OSS.
  
  
  
  Update SAP Kernel:
  
  Sometimes, updating the SAP kernel can resolve connectivity issues. Ensure that you are using a supported version of the SAP kernel.
  
  
  
  Check SAP Notes:
  
  Look for any relevant SAP Notes that may address this specific error. You can search for notes related to OSS connectivity issues in the SAP Support Portal.
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  SM59: To check and configure RFC destinations.
  SNOTE: To apply SAP Notes.
  OSS1: To check the OSS connection status.
  
  
  
  SAP Support: If the issue persists after trying the above solutions, consider reaching out to SAP Support for further assistance. They can provide more specific guidance based on your system configuration and logs.
  
  
  Documentation: Refer to the official SAP documentation for more details on configuring OSS connections and troubleshooting connectivity issues.
  
  
  By following these steps, you should be able to diagnose and resolve the RSAPI_CTC018 error in your SAP system.