How To Fix MSGSERVER057 - Reloading URL logon groups

SAP Error Message - Details

• Message type: E = Error

• Message class: MSGSERVER - Messages for Message Server

• Message number: 057

• Message text: Reloading URL logon groups

What causes this issue?

The current URL logon groups should be determined again.

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

System Response

The message server calls the URL /sap/public/icf_info/logon_groups
within the Web Application Server. The SAP Web AS provides a list of
defined URLs and logon groups. The message server uses this list to
distribute the incoming requests.

How to fix this error?

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 MSGSERVER057 - Reloading URL logon groups ?

  The SAP error message MSGSERVER057, which states "Reloading URL logon groups," typically occurs in the context of SAP Web Dispatcher or SAP Internet Communication Manager (ICM) when there is a need to refresh or reload the logon groups for the system. This message is not necessarily an error but rather an informational message indicating that the system is reloading the configuration for logon groups.
  Cause:
  
  Configuration Changes: The logon groups may have been modified, and the system needs to reload the configuration to apply these changes.
  System Restart: A restart of the Web Dispatcher or ICM may trigger the reloading of logon groups.
  Load Balancing: Changes in the load balancing configuration or the addition/removal of application servers can also lead to this message.
  
  Solution:
  
  Check Configuration: Ensure that the logon group configuration is correct. You can do this by checking the SAP GUI under SMLG (Logon Groups) to verify that the groups are set up as intended.
  Restart Services: If the message appears after a configuration change, restarting the Web Dispatcher or ICM may help to reload the logon groups properly.
  Monitor Logs: Check the logs for any additional messages or errors that may provide more context about the reloading process. This can help identify if there are underlying issues that need to be addressed.
  SAP Notes: Look for any relevant SAP Notes that may address specific issues related to logon groups or the Web Dispatcher/ICM. SAP Notes can provide patches or additional configuration steps.
  
  Related Information:
  
  Logon Groups: Logon groups are used in SAP systems to manage load balancing among application servers. They allow users to connect to the least busy server, improving performance and availability.
  Web Dispatcher: The SAP Web Dispatcher is a component that acts as a reverse proxy and load balancer for SAP applications. It helps distribute incoming requests to the appropriate application servers.
  ICM: The Internet Communication Manager (ICM) is responsible for handling HTTP(S) requests in SAP systems. It can also manage load balancing and logon groups.
  
  If the message persists or if you encounter issues beyond the informational message, consider reaching out to SAP support for further assistance.