How To Fix /SCMTMS/MC_CON_CACHE079 - Checking connection keys

SAP Error Message - Details

• Message type: E = Error

• Message class: /SCMTMS/MC_CON_CACHE -

• Message number: 079

• Message text: Checking connection keys

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 /SCMTMS/MC_CON_CACHE079 - Checking connection keys ?

  The SAP error message /SCMTMS/MC_CON_CACHE079 Checking connection keys typically occurs in the context of SAP Transportation Management (TM) when there are issues related to the connection keys used for communication between different components or systems. This error can arise due to various reasons, including configuration issues, missing or incorrect connection keys, or problems with the underlying transport infrastructure.
  Causes:
  
  Missing Connection Keys: The connection keys required for communication between systems may not be defined or may be missing.
  Incorrect Configuration: The configuration settings for the connection keys may be incorrect, leading to communication failures.
  Network Issues: There may be network-related issues preventing the systems from communicating properly.
  Authorization Issues: The user or system may not have the necessary authorizations to access the connection keys.
  System Updates or Changes: Recent updates or changes in the system landscape may have affected the connection settings.
  
  Solutions:
  
  Check Connection Keys: Verify that the connection keys are correctly defined in the system. You can do this by navigating to the relevant configuration settings in SAP TM.
  Review Configuration Settings: Ensure that all configuration settings related to the connection keys are correct. This includes checking the RFC destinations and ensuring they are properly configured.
  Network Connectivity: Test the network connectivity between the systems involved. Ensure that there are no firewalls or network issues blocking the communication.
  Authorization Check: Ensure that the user or system has the necessary authorizations to access the connection keys. You may need to consult with your security team to verify this.
  System Logs: Check the system logs for any additional error messages or warnings that may provide more context about the issue.
  Consult Documentation: Refer to SAP documentation or notes related to the specific error message for additional troubleshooting steps or known issues.
  SAP Support: If the issue persists, consider reaching out to SAP Support for further assistance. They may have additional insights or patches available for your specific version of SAP TM.
  
  Related Information:
  
  Transaction Codes: You may want to use transaction codes like SM59 (RFC Destinations) to check the configuration of RFC connections.
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address this specific error message or provide guidance on similar issues.
  Community Forums: Consider checking SAP Community forums or other user groups for discussions related to this error, as other users may have encountered and resolved similar issues.
  
  By following these steps, you should be able to identify and resolve the issue related to the /SCMTMS/MC_CON_CACHE079 error message in SAP TM.