How To Fix PO473 - Alternate server &1 has never been active; check spelling

PO473 - Overview

• Message type: E = Error

• Message class: PO - Spooler message

• Message number: 473

• Message text: Alternate server &1 has never been active; check spelling

What causes this issue?

You have specified an alternate server that has never been active.

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?

Use the "Possible entries" help to choose an active server.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

PO473 - Details

• The SAP error message PO473 indicates that the alternate server specified in a process or configuration has never been active. This typically occurs in scenarios involving SAP's application server configuration, particularly when dealing with load balancing or failover setups.
  
  Cause:
  
  Incorrect Server Name: The alternate server name specified in the configuration might be misspelled or incorrectly formatted.
  Inactive Server: The server you are trying to reference has never been started or is not currently active in the SAP system landscape.
  
  Configuration Issues: There may be issues in the configuration settings related to the application server or the instance profile.
  Network Issues: There could be network connectivity issues preventing the system from recognizing the alternate server.
  
  
  Solution:
  
  Check Server Name: Verify the spelling of the alternate server name in the configuration. Ensure that it matches the actual server name as defined in the SAP system.
  Check Server Status: Use transaction code SM51 to check the status of the application