How To Fix 14436 - Host name cannot contain blanks; remove the blanks

SAP Error Message - Details

• Message type: E = Error

• Message class: 14 - Task handler messages

• Message number: 436

• Message text: Host name cannot contain blanks; remove the blanks

Self-Explanatory Message

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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 14436 - Host name cannot contain blanks; remove the blanks ?

  The SAP error message "14436 Host name cannot contain blanks; remove the blanks" typically occurs when there is an issue with the configuration of the host name in the SAP system. This error indicates that the host name being used contains spaces or blank characters, which is not allowed.
  Cause:
  
  Incorrect Host Name Configuration: The host name defined in the SAP system or in the network configuration may contain spaces or blank characters.
  SAP Profile Parameters: The instance profile or the system profile may have been incorrectly set up with a host name that includes spaces.
  Network Configuration: The network settings or DNS entries may have been incorrectly configured, leading to the inclusion of spaces in the host name.
  
  Solution:
  
  
  Check Host Name Configuration:
  
  Go to the SAP system and check the configuration of the host name.
  Ensure that the host name does not contain any spaces or blank characters.
  
  
  
  Modify Instance Profile:
  
  Access the instance profile (usually found in the directory /usr/sap/<SID>/SYS/profile).
  Look for parameters like rdisp/host or rdisp/mshost and ensure that they do not contain any spaces.
  If you find any spaces, remove them and save the changes.
  
  
  
  Check Network Configuration:
  
  Verify the network settings on the operating system level.
  Check the /etc/hosts file (on Unix/Linux) or the equivalent on Windows to ensure that the host name is correctly defined without spaces.
  
  
  
  Restart the SAP System:
  
  After making the necessary changes, restart the SAP system to apply the new configuration.
  
  
  
  DNS Configuration:
  
  If your SAP system relies on DNS, ensure that the DNS entries are correctly configured without spaces.
  
  
  
  Related Information:
  
  SAP Notes: Check SAP Notes related to host name configuration and error messages for additional guidance.
  Documentation: Refer to the SAP Basis documentation for best practices on configuring host names and network settings.
  System Logs: Review the system logs for any additional error messages that may provide more context about the issue.
  
  By following these steps, you should be able to resolve the error message and ensure that the host name is correctly configured without any blanks.