How To Fix GHO_NET034 - Link &1: medium is not specified

SAP Error Message - Details

• Message type: E = Error

• Message class: GHO_NET - Message class for Production Network Modelling

• Message number: 034

• Message text: Link &1: medium is not specified

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 GHO_NET034 - Link &1: medium is not specified ?

  The SAP error message GHO_NET034, which states "Link &1: medium is not specified," typically occurs in the context of network configuration or when dealing with communication links in SAP systems. This error indicates that a required medium (such as a transport medium or communication channel) has not been specified for a particular link.
  Cause:
  
  Missing Configuration: The most common cause of this error is that the configuration for the communication link is incomplete. Specifically, the medium (like a transport protocol or communication method) has not been defined.
  Incorrect Settings: There may be incorrect or missing settings in the network configuration that prevent the system from identifying the medium.
  System Updates or Changes: Changes in system settings, updates, or migrations may lead to missing configurations.
  
  Solution:
  
  
  Check Configuration: 
  
  Go to the relevant configuration settings in the SAP system where the link is defined. This could be in transaction codes like SPRO (SAP Project Reference Object) or specific network configuration transactions.
  Ensure that the medium for the link is specified correctly. This could involve specifying the transport medium (e.g., TCP/IP, HTTP, etc.) for the communication link.
  
  
  
  Define Medium:
  
  If the medium is not defined, you will need to add it. This may involve specifying the type of communication (e.g., whether it is a direct connection, a file transfer, etc.) and ensuring that all necessary parameters are filled out.
  
  
  
  Review Documentation: 
  
  Consult the SAP documentation or help resources for the specific module or functionality you are working with. This can provide guidance on the required settings.
  
  
  
  Check for Updates: 
  
  Ensure that your SAP system is up to date with the latest patches and updates, as sometimes bugs in earlier versions can lead to such errors.
  
  
  
  Consult SAP Notes: 
  
  Search for relevant SAP Notes in the SAP Support Portal that might address this specific error message. There may be known issues or additional configuration steps required.
  
  
  
  Testing: 
  
  After making the necessary changes, test the configuration to ensure that the error is resolved and that the communication link is functioning as expected.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes for network configuration, such as SM59 (RFC Destinations) or SICF (HTTP Services).
  SAP Community: Engage with the SAP Community forums for insights from other users who may have encountered and resolved similar issues.
  SAP Support: If the issue persists, consider reaching out to SAP Support for assistance, providing them with detailed information about the error and the steps you have taken.
  
  By following these steps, you should be able to identify and resolve the cause of the GHO_NET034 error in your SAP system.