How To Fix MDS_KEYMAP001 - No connection to System Landscape Directory

SAP Error Message - Details

• Message type: E = Error

• Message class: MDS_KEYMAP - Message class for the service methods of the key mapping

• Message number: 001

• Message text: No connection to System Landscape Directory

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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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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message MDS_KEYMAP001 - No connection to System Landscape Directory ?

  The SAP error message MDS_KEYMAP001: No connection to System Landscape Directory typically indicates that the system is unable to connect to the System Landscape Directory (SLD). The SLD is a central component in SAP landscapes that provides information about the systems and their configurations.
  Causes:
  
  Network Issues: There may be network connectivity problems between the SAP system and the SLD.
  SLD Configuration: The SLD may not be properly configured or may not be running.
  Incorrect SLD URL: The URL configured in the SAP system for the SLD may be incorrect.
  Authentication Issues: There may be issues with the credentials used to connect to the SLD.
  Firewall Restrictions: Firewalls may be blocking the connection to the SLD.
  SLD Service Down: The SLD service itself may be down or experiencing issues.
  
  Solutions:
  
  
  Check Network Connectivity:
  
  Ensure that the SAP system can reach the SLD server. You can use tools like ping or telnet to check connectivity.
  
  
  
  Verify SLD Configuration:
  
  Check the SLD configuration in the SAP system. You can do this in transaction SICF to ensure that the SLD service is active.
  
  
  
  Check SLD URL:
  
  Go to transaction RZ70 and verify the SLD URL configured in the SAP system. Make sure it points to the correct SLD instance.
  
  
  
  Authentication:
  
  Ensure that the credentials used for the SLD connection are correct. You may need to update the credentials in the configuration.
  
  
  
  Firewall Settings:
  
  Check the firewall settings to ensure that the necessary ports for SLD communication are open.
  
  
  
  SLD Service Status:
  
  Check if the SLD service is running properly. You may need to restart the SLD service if it is down.
  
  
  
  Check Logs:
  
  Review the logs in the SAP system and the SLD for any additional error messages that could provide more context on the issue.
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  SICF: To check and manage the Internet Communication Framework services.
  RZ70: To configure the SLD settings.
  SMD: Solution Manager Diagnostics, which can also provide insights into system landscape issues.
  
  
  
  Documentation: Refer to SAP Help documentation for detailed steps on configuring and troubleshooting SLD connections.
  
  
  SAP Notes: Check for any relevant SAP Notes that may address specific issues related to SLD connectivity.
  
  
  If the problem persists after trying the above solutions, consider reaching out to SAP support for further assistance.