How To Fix IU629 - Could not save selected maximum number of background processes

IU629 - Overview

• Message type: E = Error

• Message class: IU - Incremental Conversion (ICNV)

• Message number: 629

• Message text: Could not save selected maximum number of background processes

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 IU629 - Could not save selected maximum number of background processes ?

  The SAP error message IU629, which states "Could not save selected maximum number of background processes," typically occurs when there is an issue with the configuration of background processing in the SAP system. This error can arise due to various reasons, including system settings, user authorizations, or configuration limits.
  Causes:
  
  Configuration Limits: The maximum number of background processes may be set to a value that exceeds the system's capacity or is not allowed by the configuration.
  Authorization Issues: The user attempting to make changes may not have the necessary authorizations to modify background processing settings.
  System Parameters: The parameters related to background processing (like rdisp/wp_no_btc) may not be set correctly in the instance profile.
  Technical Issues: There may be underlying technical issues with the SAP system that prevent saving changes.
  
  Solutions:
  
  
  Check Configuration Settings:
  
  Go to transaction RZ10 to check the instance profile settings.
  Look for the parameter rdisp/wp_no_btc and ensure it is set to an appropriate value that