How To Fix >U148 - Name of application server &1 is invalid

SAP Error Message - Details

• Message type: E = Error

• Message class: >U -

• Message number: 148

• Message text: Name of application server &1 is invalid

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

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Smart SAP Assistant

• What is the cause and solution for SAP error message >U148 - Name of application server &1 is invalid ?

  The SAP error message "U148 Name of application server &1 is invalid" typically indicates that there is an issue with the application server name specified in the system configuration. This error can occur in various scenarios, such as when trying to log into the SAP system or when performing certain operations that require communication with the application server.
  Cause:
  
  Invalid Server Name: The application server name specified in the configuration is incorrect or does not exist in the system landscape.
  Network Issues: There may be network connectivity issues preventing the client from reaching the specified application server.
  Configuration Errors: The SAP GUI or the connection settings may be misconfigured, leading to an invalid server name being used.
  Server Down: The application server might be down or not registered properly in the SAP system.
  
  Solution:
  
  Check Server Name: Verify that the application server name specified in the connection settings is correct. You can do this by checking the SAP system landscape or consulting with your system administrator.
  Update Connection Settings: If you are using SAP GUI, go to the connection settings and ensure that the application server name is correctly entered. You can also try using the IP address instead of the server name.
  Check Network Connectivity: Ensure that there are no network issues preventing access to the application server. You can use tools like ping or tracert to check connectivity.
  Review SAP Profile Parameters: Check the instance profile parameters in the SAP system to ensure that the application server is correctly configured and registered.
  Restart the Application Server: If the server is down, you may need to restart it or contact your system administrator to resolve any issues with the server.
  Check SAP Notes: Look for any relevant SAP Notes that might address this specific error message or provide additional troubleshooting steps.
  
  Related Information:
  
  SAP System Landscape: Understanding the architecture of your SAP system landscape can help in identifying the correct application server names.
  SAP GUI Configuration: Familiarize yourself with how to configure SAP GUI connections, including how to specify application server names.
  SAP Basis Administration: If you have access to SAP Basis administration tools, you can check the status of application servers and their configurations.
  Documentation: Refer to SAP documentation or help resources for more detailed information on managing application servers and troubleshooting connection issues.
  
  If the problem persists after trying the above solutions, it may be beneficial to consult with your SAP Basis team or open a support ticket with SAP for further assistance.