How To Fix 1S402 - Choose server

SAP Error Message - Details

• Message type: E = Error

• Message class: 1S - Messages for SSF ("Secure Store & Forward")

• Message number: 402

• Message text: Choose server

What causes this issue?

You did not select an application server to execute the desired
operation on.

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?

Choose an application server where the desired operation is to be
executed and restart the operation.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message 1S402 - Choose server ?

  The SAP error message "1S402 Choose server" typically indicates that the system is unable to determine a suitable application server for the user session. This can occur for various reasons, including configuration issues, network problems, or server availability.
  Causes:
  
  Server 
  Configuration Issues: The application server may not be properly configured in the SAP system.
  Network Problems: There may be network connectivity issues preventing the client from reaching the application server.
  Server Availability: The application server may be down or not available due to maintenance or other issues.
  Load Balancing Issues: If a load balancer is used, it may not be directing traffic correctly to the available servers.
  Client Configuration: The SAP GUI or client configuration may not be set up correctly to connect to the appropriate server.
  
  Solutions:
  
  Check Server Status: Verify that the application server is up and running. You can do this by checking the SAP system status or using transaction codes like SM51 to view