How To Fix SR121 - IPv6 addresses are not yet supported

SAP Error Message - Details

• Message type: E = Error

• Message class: SR - RFC utilities

• Message number: 121

• Message text: IPv6 addresses are not yet supported

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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Smart SAP Assistant

• What is the cause and solution for SAP error message SR121 - IPv6 addresses are not yet supported ?

  The SAP error message SR121 indicates that the system is encountering an issue related to IPv6 addresses. Specifically, it means that the current version of the SAP system you are using does not support IPv6 addressing. This can occur in various scenarios, such as when trying to connect to a database or a service that is configured to use IPv6.
  Cause:
  
  IPv6 Configuration: The SAP system is attempting to use an IPv6 address for communication, but the version of SAP you are using does not support IPv6.
  Network Settings: The network configuration may be set to prefer IPv6 over IPv4, leading to this error when the SAP system cannot handle IPv6 addresses.
  SAP Version: The version of SAP you are using may not have been updated to support IPv6, as support for IPv6 has been gradually introduced in later versions.
  
  Solution:
  
  Switch to IPv4: If possible, configure your network settings to use IPv4 instead of IPv6. This may involve changing the network configuration on the server or client machines.
  Update SAP: Check if there is a newer version of SAP that supports IPv6. If your organization is using an older version, consider upgrading to a version that has IPv6 support.
  SAP Notes: Look for relevant SAP Notes or documentation that may provide specific guidance or patches related to IPv6 support. You can search the SAP Support Portal for any updates or fixes.
  Network Configuration: Review the network configuration settings on both the SAP server and the client machines to ensure they are correctly set up to use IPv4.
  Consult SAP Support: If the issue persists, consider reaching out to SAP Support for assistance. They may provide specific recommendations based on your system configuration.
  
  Related Information:
  
  SAP Documentation: Review the official SAP documentation for your specific version to understand its capabilities regarding IPv6.
  SAP Community: Engage with the SAP Community forums where other users may have encountered similar issues and can share their solutions.
  Network Administration: Work with your network administration team to ensure that the network settings are optimized for the SAP environment.
  
  By addressing the configuration and ensuring that you are using a compatible version of SAP, you should be able to resolve the SR121 error related to IPv6 addresses.