How To Fix ESH_ADM_MSG090 - Connection to &1 is locked by user &2

SAP Error Message - Details

• Message type: E = Error

• Message class: ESH_ADM_MSG - ESH Administration and Monitoring Tool

• Message number: 090

• Message text: Connection to &1 is locked by user &2

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message ESH_ADM_MSG090 - Connection to &1 is locked by user &2 ?

  The SAP error message ESH_ADM_MSG090 indicates that a connection to a specific system (denoted by &1) is locked by a user (denoted by &2). This typically occurs in the context of the SAP Enterprise Search (SAP ESH) or when dealing with connections to other systems or databases.
  Cause:
  
  User Lock: The connection is locked because a user has initiated a process that has not been completed or has not been released properly.
  Long-Running Transactions: A transaction or job that is taking too long to complete may cause the connection to be locked.
  Manual Locking: A user may have manually locked the connection for maintenance or other reasons.
  System Configuration: There may be configuration settings that enforce locking under certain conditions.
  
  Solution:
  
  Identify the Locking User: Determine which user (&2) is holding the lock on the connection (&1). This can often be done through transaction codes like SM12 (to view locks) or SM21 (to check system logs).
  Release the Lock: If the locking user is known and it is appropriate, ask them to release the lock. If they are unavailable, an administrator can manually release the lock using transaction SM12.
  Check for Long-Running Processes: Investigate if there are any long-running processes or jobs that need to be completed or terminated.
  Review System Configuration: Check the configuration settings related to connections and locking mechanisms to ensure they are set appropriately.
  Restart Services: In some cases, restarting the relevant services or the SAP system may help to clear the lock.
  
  Related Information:
  
  Transaction Codes:
  
  SM12: To view and manage locks.
  SM21: To check system logs for any related issues.
  SM37: To monitor background jobs that may be causing locks.
  
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  Documentation: Review the SAP documentation for Enterprise Search and connection management for best practices and troubleshooting steps.
  
  If the issue persists after trying the above solutions, it may be necessary to consult with SAP support or your system administrator for further assistance.