How To Fix CRM_IC_APPL_UI_CHMSG372 - Logged off due to CMS Host ID switch from &1 to &2

SAP Error Message - Details

• Message type: E = Error

• Message class: CRM_IC_APPL_UI_CHMSG - Message class for CRM_IC_APPL_UI_COMMCHANNELS

• Message number: 372

• Message text: Logged off due to CMS Host ID switch from &1 to &2

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CRM_IC_APPL_UI_CHMSG372 - Logged off due to CMS Host ID switch from &1 to &2 ?

  The SAP error message "CRM_IC_APPL_UI_CHMSG372: Logged off due to CMS Host ID switch from &1 to &2" typically occurs in the context of the SAP CRM Interaction Center (IC) when there is a change in the CMS (Customer Management System) host ID. This can happen due to various reasons, such as system configuration changes, network issues, or load balancing activities.
  Cause:
  
  CMS Host ID Change: The error indicates that the system has detected a switch in the CMS host ID, which means that the user session is being redirected to a different CMS instance.
  Load Balancing: If your system is set up with multiple CMS instances for load balancing, a switch might occur if the load balancer directs the user to a different instance.
  Network Issues: Temporary network issues or interruptions can also lead to a disconnection and subsequent reconnection to a different CMS instance.
  Configuration Changes: Changes in the configuration of the CMS or the Interaction Center can lead to this error.
  
  Solution:
  
  Re-login: The immediate solution is to log back into the system. This will establish a new session with the current CMS host.
  Check CMS Configuration: Ensure that the CMS configuration is correct and that all instances are properly set up and reachable.
  Review Load Balancer Settings: If you are using a load balancer, check its settings to ensure it is functioning correctly and not causing unnecessary switches.
  Network Stability: Investigate any network issues that may be causing disconnections. Ensure that the network is stable and that there are no interruptions.
  System Monitoring: Implement monitoring for the CMS instances to track their availability and performance. This can help identify issues before they affect users.
  Consult SAP Notes: Check the SAP Support Portal for any relevant notes or patches that may address this issue. There may be specific fixes or recommendations provided by SAP.
  
  Related Information:
  
  SAP Documentation: Refer to the official SAP documentation for CRM and Interaction Center for more details on configuration and troubleshooting.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have found.
  System Logs: Review system logs for any additional error messages or warnings that may provide more context about the issue.
  
  If the problem persists after trying the above solutions, it may be necessary to involve your SAP Basis team or SAP support for further investigation.