How To Fix MW807 - Parallel processing is not possible if server group is not specified

SAP Error Message - Details

• Message type: E = Error

• Message class: MW - Messages IS-R / Allocation Tables

• Message number: 807

• Message text: Parallel processing is not possible if server group is not specified

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message MW807 - Parallel processing is not possible if server group is not specified ?

  The SAP error message MW807 indicates that parallel processing cannot be executed because a server group has not been specified. This error typically occurs in scenarios where a background job or a parallel processing task is being initiated without defining the appropriate server group.
  Cause:
  The primary cause of this error is that the system is attempting to execute a task that requires parallel processing capabilities, but the necessary configuration for a server group is missing. This can happen in various contexts, such as:
  
  When using transaction codes that involve parallel processing (e.g., background jobs, data transfers).
  When the job is set to run in parallel but the server group is not defined in the job settings.
  
  Solution:
  To resolve the MW807 error, you can take the following steps:
  
  
  Define a Server Group:
  
  Go to the transaction code SM61 (Define Server Groups).
  Create or modify a server group that includes the application servers you want to use for parallel processing.
  
  
  
  Specify the Server Group in the Job:
  
  If you are scheduling a background job, ensure that you specify the server group in the job definition.
  You can do this by going to transaction code SM37 (Job Monitoring) or SM36 (Define Background Job) and checking the job settings.
  
  
  
  Check Job Parameters:
  
  Ensure that the job parameters are correctly set to allow for parallel processing. This includes checking the "Target Server Group" field.
  
  
  
  Review Documentation:
  
  Consult the SAP documentation or help files related to background processing and server groups for additional guidance on configuration.
  
  
  
  Test the Configuration:
  
  After making the necessary changes, test the job or process again to ensure that it runs without errors.
  
  
  
  Related Information:
  
  Transaction Codes:
  
  SM36: Define Background Job
  SM37: Job Monitoring
  SM61: Define Server Groups
  
  
  SAP Notes and Documentation:
  
  Check SAP Notes for any specific issues related to your version of SAP that might provide additional context or solutions.
  
  
  Parallel Processing:
  
  Understand the implications of parallel processing in your SAP environment, including resource allocation and performance considerations.
  
  
  
  By following these steps, you should be able to resolve the MW807 error and successfully execute your parallel processing tasks in SAP.