How To Fix CRM_ERP_IL200 - Connection could not be established

SAP Error Message - Details

• Message type: E = Error

• Message class: CRM_ERP_IL -

• Message number: 200

• Message text: Connection could not be established

What causes this issue?

A communication failure with the ERP system occured.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Procedure for System Administrators

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Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CRM_ERP_IL200 - Connection could not be established ?

  The SAP error message "CRM_ERP_IL200 Connection could not be established" typically indicates a problem with the connection between the SAP CRM (Customer Relationship Management) system and the SAP ERP (Enterprise Resource Planning) system. This error can arise due to various reasons, including network issues, configuration problems, or system settings.
  Causes:
  
  Network Issues: There may be network connectivity problems between the CRM and ERP systems, such as firewalls blocking the connection or network outages.
  Incorrect Configuration: The RFC (Remote Function Call) destination settings may be incorrect or not properly configured in the SAP systems.
  Authorization Issues: The user credentials used for the connection may not have the necessary authorizations to access the ERP system.
  System Downtime: The ERP system may be down for maintenance or experiencing issues that prevent connections.
  Version Compatibility: There may be compatibility issues between the versions of the CRM and ERP systems.
  
  Solutions:
  
  
  Check Network Connectivity:
  
  Ensure that both systems can communicate over the network. You can use tools like ping or traceroute to check connectivity.
  Verify that firewalls or security settings are not blocking the required ports for SAP communication.
  
  
  
  Verify RFC Destination:
  
  Go to transaction code SM59 in the SAP GUI.
  Check the RFC destination settings for the connection between CRM and ERP. Ensure that the connection type, target host, and system number are correctly configured.
  Test the connection from the RFC destination screen to see if it can connect successfully.
  
  
  
  Check User Authorizations:
  
  Ensure that the user credentials used for the connection have the necessary authorizations in both the CRM and ERP systems.
  You can check user roles and authorizations using transaction code SU01.
  
  
  
  System Status:
  
  Check if the ERP system is up and running. You can do this by logging into the ERP system directly or checking system logs.
  If the ERP system is down, coordinate with your Basis team to resolve the issue.
  
  
  
  Review System Logs:
  
  Check the system logs in both CRM and ERP for any error messages or warnings that might provide more context about the connection issue.
  Use transaction codes SM21 (System Log) and SLG1 (Application Log) to review logs.
  
  
  
  Compatibility Check:
  
  Ensure that both systems are compatible in terms of versions and patches. Sometimes, updates or patches may introduce changes that affect connectivity.
  
  
  
  Related Information:
  
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  Documentation: Review the official SAP documentation for both CRM and ERP regarding integration and connectivity.
  Community Forums: Consider checking SAP Community forums or other user groups for similar issues and solutions shared by other users.
  
  If the issue persists after trying the above solutions, it may be necessary to involve your SAP Basis team or SAP support for further investigation.