How To Fix RZ359 - There is already a server & defined, server name must be unique.

RZ359 - Overview

• Message type: E = Error

• Message class: RZ - Messages for Computing Center Management System

• Message number: 359

• Message text: There is already a server & defined, server name must be unique.

What causes this issue?

The application server name within a SAP System must be unique.

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?

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message RZ359 - There is already a server & defined, server name must be unique. ?

  The SAP error message RZ359 indicates that there is an attempt to define a server with a name that already exists in the system. This error typically occurs in the context of configuring application servers or instances in the SAP system landscape.
  
  Cause:
  The primary cause of this error is that the server name you are trying to define is already in use. In SAP, each application server must have a unique identifier, and if you attempt to create or register a server with a name that is already assigned to another server, the system will throw this error.
  
  Solution:
  To resolve the RZ359 error, you can follow these steps:
  
  
  Check Existing Server Names:
  
  Go to transaction code RZ12 (or RZ03 for instance overview) to view the list of existing servers and their configurations.
  Look for the server name you are trying to define and confirm that it is indeed already in use.
  
  
  
  Choose a Unique Server Name:
  
  If