/CFG/MIGRATION739 - Only 1 session is allowed,please close other sessions

SAP Error Message - Details

• Message type: E = Error

• Message class: /CFG/MIGRATION -

• Message number: 739

• Message text: Only 1 session is allowed,please close other sessions

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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AnswerBot

• What is the cause and solution for SAP error message /CFG/MIGRATION739 - Only 1 session is allowed,please close other sessions ?

  The SAP error message /CFG/MIGRATION739 Only 1 session is allowed, please close other sessions typically occurs when you are trying to perform a migration task in SAP that only allows a single session to be active at a time. This is often seen during system migrations or upgrades where the system restricts concurrent sessions to ensure data integrity and consistency.
  Cause:
  
  Multiple Sessions Open: The most common cause is that there is already an active session of the migration process running in the background or in another window.
  Background Jobs: Sometimes, background jobs related to the migration might still be running, which can also trigger this error.
  User Lock: The user might be locked in a session that is not visible or has not been properly closed.
  
  Solution:
  
  
  Close Other Sessions: Check for any other active sessions related to the migration process. You can do this by:
  
  Logging out of other sessions.
  Using transaction code SM04 to see all active user sessions and terminate any unnecessary ones.
  
  
  
  Check Background Jobs: Use transaction code SM37 to check for any background jobs that might be running related to the migration. If you find any, you may need to wait for them to complete or terminate them if they are not needed.
  
  
  Log Off and Log Back In: If you are unable to identify any other sessions, try logging off from the SAP system completely and then logging back in. This can sometimes clear any session locks.
  
  
  System Restart: In some cases, if the issue persists and you have the necessary permissions, a system restart may help clear any lingering sessions.
  
  
  Contact Basis Team: If you are still facing issues after trying the above steps, it may be necessary to contact your SAP Basis team for further assistance. They can check for any system-level locks or issues that might be causing the problem.
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with transaction codes like SM04 (User Overview), SM37 (Job Monitoring), and SM21 (System Log) to help diagnose session-related issues.
  SAP Notes: Check SAP Notes for any specific patches or updates related to the migration process you are performing. Sometimes, there are known issues with specific versions of SAP that can be resolved with a note.
  Documentation: Review the official SAP documentation for the migration process you are undertaking, as it may provide additional insights or prerequisites that need to be met.
  
  By following these steps, you should be able to resolve the error and continue with your migration process.