How To Fix XMS_ADM166 - Configuration parameter &1 from category &2 already exists

XMS_ADM166 - Overview

• Message type: E = Error

• Message class: XMS_ADM - XMS - Administration

• Message number: 166

• Message text: Configuration parameter &1 from category &2 already exists

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 XMS_ADM166 - Configuration parameter &1 from category &2 already exists ?

  The SAP error message XMS_ADM166 indicates that there is an attempt to create or configure a parameter that already exists in the system. This error typically arises in the context of the SAP Process Integration (PI) or SAP Process Orchestration (PO) environments, where configuration parameters are managed.
  
  Cause:
  The error occurs when:
  
  You are trying to create a new configuration parameter (e.g., a communication channel, adapter, or other settings) that has the same name as an existing parameter in the specified category.
  There may be a duplicate entry in the configuration settings, which can happen due to manual entry errors or during system migrations or upgrades.
  
  
  Solution:
  To resolve the error, you can take the following steps:
  
  
  Check Existing Parameters:
  
  Navigate to the relevant configuration area in the SAP PI/PO system (e.g., Integration Directory).
  Look for the parameter with the name specified in the error message. You can use the search functionality to find it quickly.
  
  
  
  Modify or Delete Existing