How To Fix 00623 - No list of servers received

SAP Error Message - Details

• Message type: E = Error

• Message class: 00 -

• Message number: 623

• Message text: No list of servers received

What causes this issue?

A list of logged on application servers was requested from the message
server; however, an error occurred.
This may be because:
The request could not be sent.
The application server is not connected to the message server.
The message server is not 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?

Check the system log for more information about possible causes of the
error. To analyze the entries, call transaction SM21. If you do not
have authorization for this transaction, have your system administrator
analyze and fix the error.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message 00623 - No list of servers received ?

  The SAP error message "00623 No list of servers received" typically indicates a communication issue between the SAP GUI and the SAP application server. This error can occur for various reasons, and understanding the cause is essential for troubleshooting. Here are some common causes, potential solutions, and related information:
  Causes:
  
  Network Issues: There may be network connectivity problems between the SAP GUI and the application server.
  SAP Router Configuration: If you are using an SAP router, it may not be configured correctly, preventing the GUI from receiving the list of available servers.
  Application Server Down: The application server you are trying to connect to may be down or not responding.
  Incorrect SAP GUI Configuration: The SAP GUI may not be configured correctly, leading to communication issues.
  Firewall Restrictions: Firewalls may be blocking the necessary ports for SAP communication.
  SAP System Configuration: There may be issues with the SAP system configuration, such as missing or incorrect entries in the instance profile.
  
  Solutions:
  
  
  Check Network Connectivity:
  
  Ensure that your network connection is stable and that you can reach the SAP server.
  Use tools like ping or tracert to test connectivity to the server.
  
  
  
  Verify SAP Router Configuration:
  
  If using an SAP router, check the configuration settings to ensure they are correct.
  Ensure that the router is up and running.
  
  
  
  Check Application Server Status:
  
  Verify that the application server is up and running. You can check this through the SAP Management Console (SAP MMC) or by contacting your system administrator.
  
  
  
  Review SAP GUI Configuration:
  
  Ensure that the SAP GUI is configured correctly with the right connection parameters (e.g., application server, instance number).
  Try to create a new connection in the SAP GUI and see if the issue persists.
  
  
  
  Firewall Settings:
  
  Check firewall settings to ensure that the necessary ports (typically 3200 for SAP) are open and not being blocked.
  
  
  
  SAP System Configuration:
  
  Consult with your SAP Basis team to check the instance profile and ensure that all necessary parameters are set correctly.
  
  
  
  Update SAP GUI:
  
  Ensure that you are using the latest version of the SAP GUI, as updates may contain fixes for known issues.
  
  
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues related to this error message. You can search for relevant notes in the SAP Support Portal.
  Logs: Review the SAP application server logs for any additional error messages or warnings that may provide more context about the issue.
  SAP Community: Consider reaching out to the SAP Community forums for additional insights or similar experiences from other users.
  
  If the issue persists after trying the above solutions, it may be necessary to involve your SAP Basis team or technical support for further investigation.