How To Fix QC206 - Logon on through a different application server

SAP Error Message - Details

• Message type: E = Error

• Message class: QC - QM: Certificates

• Message number: 206

• Message text: Logon on through a different application server

What causes this issue?

You want to change or display a long text, but you have not specified a
language.

System Response

There is no language for you to select, because the long text exists
but none of the languages in the current code page is allowed.
The long text exists in the following languages:
&V1& &V2& &V3& &V4&

How to fix this error?

Logon to another suitable application server.

Procedure for System Administrators

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message QC206 - Logon on through a different application server ?

  The SAP error message QC206 indicates that a user is trying to log on to the SAP system through a different application server than the one they were previously connected to. This can happen for various reasons, and understanding the cause and potential solutions can help resolve the issue.
  Cause:
  
  Session Management: The user may have multiple sessions open, and the system is trying to manage these sessions across different application servers.
  Load Balancing: In a load-balanced environment, the user might be redirected to a different application server that does not recognize the session.
  Network Issues: Network problems can cause the user to be redirected to a different server unexpectedly.
  Configuration Issues: There may be configuration issues in the SAP system that lead to improper session handling.
  
  Solution:
  
  Log Off and Log Back In: The simplest solution is to log off from the current session and then log back in. This should establish a new session on the correct application server.
  Clear Sessions: If you have multiple sessions open, close all of them and start a new session.
  Check Load Balancer Settings: If your SAP system is behind a load balancer, check the configuration to ensure it is set up correctly to maintain session persistence.
  Network Stability: Ensure that your network connection is stable and that there are no interruptions that could cause session redirection.
  SAP Notes: Check for any relevant SAP Notes or patches that might address this issue. Sometimes, specific versions of SAP have known bugs that can be resolved with updates.
  Contact Support: If the issue persists, consider reaching out to your SAP Basis team or SAP support for further assistance.
  
  Related Information:
  
  SAP Basis Team: They are responsible for the technical management of the SAP system and can provide insights into server configurations and session management.
  SAP Documentation: Refer to the official SAP documentation for more details on session management and error handling.
  Community Forums: SAP Community and other forums can be helpful for finding similar issues faced by other users and their solutions.
  
  By following these steps, you should be able to resolve the QC206 error and successfully log into the SAP system.