How To Fix OL858 - Error in asynchronous method start: Maximum number of sessions reached

OL858 - Overview

• Message type: E = Error

• Message class: OL - Workflow object types: Run-time system

• Message number: 858

• Message text: Error in asynchronous method start: Maximum number of sessions reached

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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Smart SAP Assistant

• What is the cause and solution for SAP error message OL858 - Error in asynchronous method start: Maximum number of sessions reached ?

  The SAP error message OL858, which states "Error in asynchronous method start: Maximum number of sessions reached," typically occurs when the maximum number of allowed sessions for a user or for the system has been reached. This can happen in various scenarios, particularly in environments with high user activity or when there are background jobs that consume sessions.
  Causes:
  
  Session Limit Reached: Each user has a limit on the number of concurrent sessions they can open. If this limit is reached, new session requests will be denied.
  System-Wide Session Limit: The SAP system itself has a maximum number of sessions that can be active at any given time. If this limit is reached, no new sessions can be created.
  Long-Running Transactions: If there are long-running transactions or background jobs that are not releasing sessions, they can contribute to reaching the session limit.
  
  Configuration Issues: Incorrect configuration of session parameters in the SAP system can lead