How To Fix B2003 - The logical system is used by another client.

B2003 - Overview

• Message type: E = Error

• Message class: B2 - ALE Basis tools messages

• Message number: 003

• Message text: The logical system is used by another client.

What causes this issue?

The logical system is the unique name of the client on this database in
the entire enterprise. The logical system you have selected is already
used by another client.

How to fix this error?

Choose another logical system not used yet in your enterprise.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message B2003 - The logical system is used by another client. ?

  The SAP error message B2003, which states "The logical system is used by another client," typically occurs when there is an attempt to use a logical system that is already assigned to a different client in the SAP landscape. This can happen during various operations, such as when configuring system connections, setting up RFC destinations, or during data transfer processes.
  
  Cause:
  
  Logical System Assignment: Each logical system in SAP is uniquely assigned to a specific client. If you try to assign a logical system that is already in use by another client, you will encounter this error.
  Client Configuration: The logical system may have been incorrectly configured or duplicated in the system.
  Transport Requests: If you are trying to transport objects that reference a logical system, and that logical system is already assigned to another client, this error can occur.
  
  
  Solution:
  To resolve the B2003 error, you can follow these steps:
  
  
  Check Logical System Assignment:
  
  Go to transaction