How To Fix DT046 - Parallel start of activation/conversion job not possible

SAP Error Message - Details

• Message type: E = Error

• Message class: DT - Table activation (incl. indexes)

• Message number: 046

• Message text: Parallel start of activation/conversion job 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 DT046 - Parallel start of activation/conversion job not possible ?

  The SAP error message DT046, which states "Parallel start of activation/conversion job not possible," typically occurs during the activation or conversion of data in the SAP system. This error indicates that there is an attempt to start multiple jobs that are not allowed to run in parallel due to system constraints or configuration settings.
  Causes:
  
  Concurrent Job Limitations: The system may have restrictions on running multiple activation or conversion jobs simultaneously to prevent data inconsistencies or resource contention.
  Locking Mechanisms: The activation process may involve locks on certain database tables or resources, preventing other jobs from starting until the current job is completed.
  Configuration Settings: The system may be configured to allow only a single instance of a particular job type to run at any given time.
  Long-running Jobs: If a previous job is still running or has not completed, it can block the initiation of new jobs.
  
  Solutions:
  
  Check Running Jobs: Use transaction codes like SM37