How To Fix IDOC_METADATA455 - No RFC destination is maintained for the port '&'

SAP Error Message - Details

• Message type: E = Error

• Message class: IDOC_METADATA - Messages for metadata for the IDoc adapter

• Message number: 455

• Message text: No RFC destination is maintained for the port '&'

What causes this issue?

No RFC destination has been maintained for logging on to this
system for the port &V1&.
This means that no structure information can be provided for this
port.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Maintain the required RFC destination for this port.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message IDOC_METADATA455 - No RFC destination is maintained for the port '&' ?

  The SAP error message IDOC_METADATA455 indicates that there is no RFC (Remote Function Call) destination maintained for the specified port in the IDoc configuration. This error typically occurs when you are trying to send or receive IDocs, and the system cannot find the necessary configuration to establish a connection.
  Cause:
  
  Missing RFC Destination: The specified port in the IDoc configuration does not have an associated RFC destination.
  Incorrect Port Configuration: The port may be incorrectly configured or not set up at all.
  Transport Layer Issues: There may be issues with the transport layer that prevent the RFC destination from being recognized.
  Authorization Issues: The user may not have the necessary authorizations to access the RFC destination.
  
  Solution:
  To resolve the IDOC_METADATA455 error, follow these steps:
  
  
  Check Port Configuration:
  
  Go to transaction code WE21 (IDoc Ports).
  Verify that the port specified in the error message is correctly configured.
  Ensure that the port type (e.g., tRFC, file, etc.) is appropriate for your use case.
  
  
  
  Maintain RFC Destination:
  
  Go to transaction code SM59 (RFC Destinations).
  Check if the RFC destination associated with the port exists.
  If it does not exist, create a new RFC destination with the required settings.
  If it exists, ensure that it is correctly configured and active.
  
  
  
  Test RFC Connection:
  
  In transaction SM59, select the RFC destination and use the "Connection Test" option to verify that the connection is working properly.
  
  
  
  Check Authorizations:
  
  Ensure that the user executing the IDoc processing has the necessary authorizations to access the RFC destination.
  
  
  
  Review IDoc Processing:
  
  If the issue persists, review the IDoc processing logic to ensure that the correct port is being used and that there are no other underlying issues.
  
  
  
  Related Information:
  
  IDoc Basics: IDocs are used for data interchange between SAP systems and external systems. Understanding how IDocs work can help in troubleshooting.
  RFC Destinations: RFC destinations are critical for enabling communication between different SAP systems or between SAP and non-SAP systems.
  Transaction Codes:
  
  WE21: Maintain IDoc Ports
  SM59: Maintain RFC Destinations
  WE02: Display IDocs
  WE05: IDoc List
  
  
  SAP Notes: Check SAP Notes for any known issues or patches related to IDoc processing and RFC destinations.
  
  By following these steps, you should be able to resolve the IDOC_METADATA455 error and ensure that your IDoc processing works smoothly.