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

SAP Error Message - Details

• 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 you find that the server name is already taken, you will need to select a different, unique name for the new server you are trying to define.
  
  
  
  Modify or Delete Existing Server (if applicable):
  
  If the existing server is no longer needed, you can consider deleting it or modifying its configuration to free up the name. Be cautious with this approach, as it may affect other configurations or users.
  
  
  
  Check Configuration Files:
  
  If you are working with configuration files (like instance profiles), ensure that there are no duplicate entries for server names.
  
  
  
  Restart the SAP System:
  
  After making changes, it may be necessary to restart the SAP system or the affected instances to ensure that the changes take effect.
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  RZ12: Display and manage server definitions.
  RZ03: Overview of instances and servers.
  RZ10: Profile maintenance, where you can check instance profiles.
  
  
  
  Documentation:
  
  Refer to SAP Help documentation for more details on server configuration and management.
  
  
  
  SAP Notes:
  
  Check SAP Notes for any specific issues or patches related to server configuration that may be relevant to your version of SAP.
  
  
  
  By following these steps, you should be able to resolve the RZ359 error and successfully configure your SAP servers.