CRM_DYN_NAVIGATION004 - Session ID could not be generated; UI start not possible

SAP Error Message - Details

• Message type: E = Error

• Message class: CRM_DYN_NAVIGATION - Messages for dynmic navigtion within the WebClient

• Message number: 004

• Message text: Session ID could not be generated; UI start not possible

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message CRM_DYN_NAVIGATION004 - Session ID could not be generated; UI start not possible ?

  The SAP error message CRM_DYN_NAVIGATION004 indicates that the system was unable to generate a session ID, which is necessary for starting the User Interface (UI) in the SAP CRM environment. This error can occur due to various reasons, and here are some common causes, potential solutions, and related information:
  Causes:
  
  Session Management Issues: The system may be facing issues with session management, such as exceeding the maximum number of sessions allowed for a user.
  Authorization Problems: The user may not have the necessary authorizations to start a session in the CRM UI.
  Configuration Errors: There may be misconfigurations in the CRM system or the web application server that prevent session creation.
  Network Issues: Connectivity problems between the client and the server can lead to session generation failures.
  Browser Compatibility: The browser being used may not be compatible with the SAP CRM UI, leading to session issues.
  System Performance: High load on the server or performance issues can prevent the generation of new sessions.
  
  Solutions:
  
  Check User Sessions: Verify if the user has reached the maximum number of active sessions. If so, terminate some sessions or increase the limit in the system settings.
  Review Authorizations: Ensure that the user has the necessary authorizations to access the CRM UI. Check roles and profiles assigned to the user.
  System Configuration: Review the configuration settings for the CRM system and the web application server. Ensure that all necessary parameters for session management are correctly set.
  Network Connectivity: Check the network connection between the client and the server. Ensure that there are no firewalls or proxies blocking the connection.
  Browser Compatibility: Try accessing the CRM UI using a different browser or ensure that the current browser is updated and compatible with SAP CRM.
  Monitor System Performance: Check the performance of the SAP system. If the server is under heavy load, consider optimizing performance or scaling resources.
  
  Related Information:
  
  SAP Notes: Check SAP Notes related to CRM_DYN_NAVIGATION004 for any specific patches or updates that may address this issue.
  Transaction Codes: Use transaction codes like SM21 (System Log) and ST22 (Dump Analysis) to check for any related errors or dumps that could provide more context.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they found effective.
  System Logs: Review system logs for any additional error messages or warnings that could provide insight into the root cause of the session generation failure.
  
  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.