How To Fix UPS187 - The assigned middleware type &2 does not allow distribution to &3

SAP Error Message - Details

• Message type: E = Error

• Message class: UPS - ALE Distribution Packet

• Message number: 187

• Message text: The assigned middleware type &2 does not allow distribution to &3

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 UPS187 - The assigned middleware type &2 does not allow distribution to &3 ?

  The SAP error message UPS187 indicates that there is an issue with the middleware type assigned to a particular distribution process. This error typically arises in the context of SAP's middleware systems, such as SAP Process Integration (PI) or SAP Process Orchestration (PO), where data is being distributed between different systems or applications.
  Cause:
  The error message "UPS187 The assigned middleware type &2 does not allow distribution to &3" usually occurs due to one of the following reasons:
  
  
  Incompatible Middleware Type: The middleware type assigned to the source or target system does not support the distribution of data to the specified target system. This could be due to configuration settings or limitations of the middleware type.
  
  
  Configuration Issues: There may be a misconfiguration in the middleware settings, such as incorrect settings in the communication channels or the integration scenario.
  
  
  Version Mismatch: The versions of the systems involved may not be compatible with the middleware type being used.
  
  
  Authorization Issues: The user or system may not have the necessary authorizations to perform the distribution.
  
  
  Solution:
  To resolve the UPS187 error, you can take the following steps:
  
  
  Check Middleware Configuration:
  
  Verify the middleware type assigned to both the source and target systems. Ensure that they are compatible and correctly configured for data distribution.
  Review the communication channels and integration scenarios in the middleware to ensure they are set up correctly.
  
  
  
  Update Middleware Type:
  
  If the assigned middleware type is indeed incompatible, consider changing it to a type that supports the required distribution. This may involve updating the configuration in the SAP system.
  
  
  
  Review System Versions:
  
  Ensure that the versions of the systems involved are compatible with the middleware type. If necessary, update the systems to compatible versions.
  
  
  
  Check Authorizations:
  
  Ensure that the user or system performing the distribution has the necessary authorizations to execute the operation.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or support notes related to the specific middleware type and distribution process for additional guidance.
  
  
  
  Testing:
  
  After making changes, perform tests to ensure that the distribution works as expected without triggering the error.
  
  
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to the UPS187 error.
  Middleware Documentation: Review the documentation for the specific middleware type you are using to understand its capabilities and limitations.
  SAP Community: Engage with the SAP Community forums for insights from other users who may have encountered similar issues.
  
  If the problem persists after following these steps, consider reaching out to SAP support for further assistance.