How To Fix B1550 - An RFC destination could not be specified for the logical system &

SAP Error Message - Details

• Message type: E = Error

• Message class: B1 - ALE group messages

• Message number: 550

• Message text: An RFC destination could not be specified for the logical system &

What causes this issue?

An RFC destination should be specified for the logical system &v1&.
This could not be done in this case. &v1& is not your local logical
system and this system is not included in the relevant Customizing
tables.

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?

Check:
<DS:TRAN.SM59>RFC destination</>
<DS:TRAN.WE21>Port definitions</>
<DS:TRAN.WE20>oubound partner profile of message type SYNCH for this
logical system</>

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message B1550 - An RFC destination could not be specified for the logical system & ?

  The SAP error message B1550 indicates that there is an issue with the configuration of an RFC (Remote Function Call) destination for a specified logical system. This error typically arises when the system is unable to find or connect to the RFC destination that is required for communication between different SAP systems or between an SAP system and an external system.
  Cause:
  
  Missing RFC Destination: The RFC destination for the specified logical system is not defined in the SAP system.
  Incorrect Configuration: The RFC destination may be incorrectly configured, leading to connection issues.
  Logical System Not Defined: The logical system itself may not be defined in the system.
  Authorization Issues: The user may not have the necessary authorizations to access the RFC destination.
  Network Issues: There may be network connectivity issues preventing access to the RFC destination.
  
  Solution:
  
  
  Check RFC Destination:
  
  Go to transaction code SM59 to check the RFC destinations.
  Ensure that the RFC destination for the logical system in question is defined and correctly configured.
  
  
  
  Define Logical System:
  
  If the logical system is not defined, you can define it using transaction code SALE or SPRO.
  Navigate to SAP Customizing Implementation Guide > Cross-Application Components > SAP Business Partner > Basic Settings > Define Logical System.
  
  
  
  Create or Modify RFC Destination:
  
  If the RFC destination does not exist, create a new one in SM59.
  If it exists but is misconfigured, modify it to ensure that the connection parameters (like target host, system number, etc.) are correct.
  
  
  
  Check Authorizations:
  
  Ensure that the user has the necessary authorizations to access the RFC destination. This can be checked in transaction SU01.
  
  
  
  Test Connection:
  
  After making changes, use the Test Connection feature in SM59 to verify that the RFC destination is working correctly.
  
  
  
  Check Network Configuration:
  
  Ensure that there are no firewall or network issues preventing the connection to the RFC destination.
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  SM59: RFC Destinations (Display/Maintain)
  SALE: Logical System Configuration
  SPRO: SAP Reference IMG
  SU01: User Maintenance
  
  
  
  Documentation: Refer to SAP Help documentation for detailed steps on configuring RFC destinations and logical systems.
  
  
  SAP Notes: Check for any relevant SAP Notes that may address specific issues related to this error message.
  
  
  By following these steps, you should be able to resolve the B1550 error and ensure that the RFC destination is correctly configured for the logical system in question.