How To Fix 26146 - Environment variable 'HOSTNAME' not maintained for your PC

SAP Error Message - Details

• Message type: E = Error

• Message class: 26 - Dokumentenverwaltung

• Message number: 146

• Message text: Environment variable 'HOSTNAME' not maintained for your PC

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message 26146 - Environment variable 'HOSTNAME' not maintained for your PC ?

  The SAP error message 26146, which states "Environment variable 'HOSTNAME' not maintained for your PC," typically indicates that the system is unable to determine the hostname of your computer. This can occur in various scenarios, especially when trying to connect to an SAP system or during the installation of SAP GUI.
  Cause:
  The error is usually caused by one of the following reasons:
  
  Missing HOSTNAME Environment Variable: The HOSTNAME environment variable is not set on your operating system.
  Incorrect Configuration: The hostname may be incorrectly configured in your system settings.
  Network Issues: There may be network issues preventing the system from resolving the hostname.
  DNS Configuration: The DNS settings may not be correctly configured, leading to hostname resolution failures.
  
  Solution:
  To resolve this error, you can follow these steps:
  
  
  Set the HOSTNAME Environment Variable:
  
  
  On Windows:
  
  Right-click on "This PC" or "My Computer" and select "Properties."
  Click on "Advanced system settings."
  In the System Properties window, click on the "Environment Variables" button.
  In the Environment Variables window, under "System variables," click "New."
  Set the variable name as HOSTNAME and the value as your computer's hostname (you can find this by running hostname in the Command Prompt).
  Click OK to save the changes and restart your computer.
  
  
  
  On Linux/Unix:
  
  Open a terminal.
  You can set the hostname temporarily by running:
  export HOSTNAME=$(hostname)
  
  To set it permanently, you may need to add the export command to your shell configuration file (like .bashrc or .bash_profile).
  
  
  
  
  
  Check Hostname Configuration:
  
  Ensure that your hostname is correctly set in your system settings. You can check this by running the hostname command in the command line.
  
  
  
  Verify Network Configuration:
  
  Ensure that your network settings are correctly configured and that your computer can communicate with the network.
  
  
  
  Check DNS Settings:
  
  Make sure that your DNS settings are correctly configured. You can check this in your network settings.
  
  
  
  Restart SAP GUI: After making the changes, restart the SAP GUI or your computer to ensure that the changes take effect.
  
  
  Related Information:
  
  SAP Notes: You can check SAP Notes related to this error for any specific patches or updates that may address the issue.
  Documentation: Refer to the SAP GUI installation and configuration documentation for more details on environment variables and system requirements.
  Network Configuration: If you are in a corporate environment, consult with your IT department to ensure that your network settings are correct.
  
  By following these steps, you should be able to resolve the error message 26146 and successfully connect to your SAP system.