How To Fix /UI2/INTEROP121 - HTTP destination &1 already exists

SAP Error Message - Details

• Message type: E = Error

• Message class: /UI2/INTEROP -

• Message number: 121

• Message text: HTTP destination &1 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.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message /UI2/INTEROP121 - HTTP destination &1 already exists ?

  The SAP error message /UI2/INTEROP121 HTTP destination &1 already exists typically occurs when there is an attempt to create an HTTP destination in the SAP system that already exists with the same name. This can happen during the configuration of SAP Fiori applications or when setting up communication between different SAP systems or services.
  
  Cause:
  
  Duplicate HTTP Destination: The error indicates that an HTTP destination with the specified name already exists in the system.
  
  Configuration Issues: This can occur if there was an attempt to reconfigure or redeploy an application that requires the same HTTP destination.
  System Migration or Transport: If you have migrated or transported configurations from one system to another, it may lead to duplicate entries.
  
  
  Solution:
  
  
  Check Existing Destinations:
  
  Go to transaction code SM59 (RFC Destinations).
  Look for the HTTP destination with the name specified in the error message.
  If it exists, you can either modify it or delete it if it is no longer needed.
  
  
  
  Modify