How To Fix /ISDFPS/LM_PM_ADDON250 - Central system is currently not reachable

SAP Error Message - Details

• Message type: E = Error

• Message class: /ISDFPS/LM_PM_ADDON -

• Message number: 250

• Message text: Central system is currently not reachable

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 /ISDFPS/LM_PM_ADDON250 - Central system is currently not reachable ?

  The SAP error message /ISDFPS/LM_PM_ADDON250 Central system is currently not reachable typically indicates that the system is unable to connect to the central system, which is often required for certain functionalities, especially in scenarios involving distributed systems or when using specific SAP modules.
  Causes:
  
  Network Issues: There may be network connectivity problems between the client system and the central system.
  Central System Down: The central system might be down for maintenance or due to an unexpected failure.
  Configuration Issues: Incorrect configuration settings in the SAP system, such as RFC destinations or logical system settings.
  Firewall Restrictions: Firewalls or security settings may be blocking the connection to the central system.
  SAP Gateway Issues: Problems with the SAP Gateway service that could prevent communication.
  Transport Layer Issues: Issues with the transport layer that could affect communication between systems.
  
  Solutions:
  
  Check Network Connectivity: Ensure that the network connection between the systems is stable and functioning. You can use tools like ping or traceroute to diagnose connectivity issues.
  Verify Central System Status: Check if the central system is up and running. If it is down, coordinate with the system administrators to resolve the issue.
  Review Configuration Settings:
  
  Check the RFC destination settings in transaction SM59 to ensure they are correctly configured.
  Verify the logical system settings in transaction SALE or SCC4.
  
  
  Firewall and Security Settings: Ensure that any firewalls or security settings allow traffic between the systems on the required ports.
  Check SAP Gateway: Use transaction SMGW to check the status of the SAP Gateway and ensure it is running properly.
  Review Transport Layer: Ensure that the transport layer is functioning correctly and that there are no issues with transport routes.
  Logs and Traces: Check the system logs (transaction SM21) and traces (transaction ST22 for dumps) for any additional error messages that could provide more context.
  
  Related Information:
  
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address this specific error or provide additional troubleshooting steps.
  Documentation: Review the official SAP documentation for the specific module or functionality you are working with, as it may contain specific requirements for connectivity.
  Community Forums: Consider checking SAP Community forums or other technical forums for similar issues and solutions shared by other users.
  
  If the issue persists after trying the above solutions, it may be necessary to engage SAP support for further assistance.