How To Fix SKTX_MAINTAIN011 - RFC connection error (&1)

SAP Error Message - Details

• Message type: E = Error

• Message class: SKTX_MAINTAIN - Message Class for Function Group SKTX_MAINTAIN

• Message number: 011

• Message text: RFC connection error (&1)

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 SKTX_MAINTAIN011 - RFC connection error (&1) ?

  The SAP error message SKTX_MAINTAIN011 typically indicates an issue with the RFC (Remote Function Call) connection in the SAP system. This error can occur for various reasons, and understanding the cause is essential for troubleshooting and resolving the issue.
  Causes of SKTX_MAINTAIN011 RFC Connection Error
  
  
  Network Issues: There may be network connectivity problems between the SAP application server and the target system. This could be due to firewall settings, network outages, or incorrect routing.
  
  
  Configuration Errors: The RFC destination may not be configured correctly in the SAP system. This includes incorrect parameters such as the target host, system number, client, or user credentials.
  
  
  Authorization Issues: The user credentials used for the RFC connection may not have the necessary authorizations to access the target system.
  
  
  System Availability: The target SAP system may be down or not available for connections, which can lead to this error.
  
  
  Transport Layer Security (TLS) Issues: If the connection requires TLS and there are issues with certificates or encryption settings, it can result in an RFC connection error.
  
  
  Solutions to SKTX_MAINTAIN011 RFC Connection Error
  
  
  Check Network Connectivity:
  
  Verify that the network connection between the SAP systems is stable and operational.
  Use tools like ping or traceroute to check connectivity to the target system.
  
  
  
  Review RFC Destination Configuration:
  
  Go to transaction SM59 in the SAP GUI and check the configuration of the RFC destination.
  Ensure that the connection parameters (such as target host, system number, and client) are correct.
  Test the connection from SM59 to see if it is successful.
  
  
  
  Check User Authorizations:
  
  Ensure that the user credentials used for the RFC connection have the necessary authorizations in both the source and target systems.
  You can check user roles and authorizations using transaction SU01.
  
  
  
  Verify System Availability:
  
  Check if the target SAP system is up and running. You can do this by logging into the target system or checking system status through monitoring tools.
  
  
  
  Inspect TLS/SSL Settings:
  
  If the connection uses TLS, ensure that the SSL certificates are correctly installed and configured.
  Check the SSL settings in transaction STRUST to ensure that the certificates are valid and trusted.
  
  
  
  Review SAP Notes:
  
  Check for any relevant SAP Notes that may address known issues related to RFC connections. You can search for notes in the SAP Support Portal.
  
  
  
  Related Information
  
  
  Transaction Codes:
  
  SM59: RFC Destination Configuration
  SU01: User Maintenance
  STRUST: SSL Certificate Management
  
  
  
  Logs and Traces:
  
  Check the system logs (transaction SM21) and developer traces (transaction ST22) for any additional error messages that may provide more context.
  
  
  
  SAP Support: If the issue persists after trying the above solutions, consider reaching out to SAP Support for further assistance, providing them with detailed information about the error and the steps you have already taken.
  
  
  By following these steps, you should be able to diagnose and resolve the SKTX_MAINTAIN011 RFC connection error effectively.