How To Fix SR011 - Host name & is too long

SAP Error Message - Details

• Message type: E = Error

• Message class: SR - RFC utilities

• Message number: 011

• Message text: Host name & is too long

What causes this issue?

The host name is too long. The IP address is displayed instead.

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?

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message SR011 - Host name & is too long ?

  The SAP error message SR011, which states "Host name & is too long," typically occurs when the hostname specified in the SAP system exceeds the maximum length allowed by the system. This can happen during various operations, such as when configuring network settings or during system installations.
  Cause:
  
  Hostname Length: The hostname exceeds the maximum character limit, which is generally 63 characters for a single label and 253 characters for the full domain name.
  Configuration Issues: Incorrect configuration in the SAP system or the underlying operating system can lead to this error.
  DNS Settings: If the hostname is being resolved through DNS, an improperly configured DNS entry can also trigger this error.
  
  Solution:
  
  
  Shorten the Hostname: 
  
  Review the hostname being used and ensure it is within the acceptable length limits. If it exceeds the limit, shorten it to comply with the standards.
  Use a simpler and more concise hostname that still meets your organizational naming conventions.
  
  
  
  Check Configuration:
  
  Verify the configuration settings in the SAP system and ensure that the hostname is correctly set in the instance profile and other relevant configuration files.
  Check the /etc/hosts file (on Unix/Linux systems) or the DNS settings to ensure that the hostname is correctly defined.
  
  
  
  Update DNS Records:
  
  If the hostname is being resolved through DNS, ensure that the DNS records are correctly configured and that they do not exceed the length limits.
  
  
  
  Restart Services:
  
  After making changes to the hostname or configuration, restart the relevant SAP services or the entire system to ensure that the changes take effect.
  
  
  
  Consult Documentation:
  
  Refer to the SAP documentation or the specific installation guide for your version of SAP to ensure compliance with naming conventions and configurations.
  
  
  
  Related Information:
  
  SAP Notes: Check SAP Notes related to hostname configuration and limitations for your specific version of SAP.
  Operating System Limits: Be aware of the hostname limits imposed by the operating system you are using (e.g., Linux, Windows).
  Network Configuration: Ensure that your network configuration aligns with best practices for hostname resolution and DNS settings.
  
  If the problem persists after following these steps, consider reaching out to SAP support or your system administrator for further assistance.