How To Fix 00497 - Unable to determine host address: NiHostToAddr failed

00497 - Overview

• Message type: E = Error

• Message class: 00 -

• Message number: 497

• Message text: Unable to determine host address: NiHostToAddr failed

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.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message 00497 - Unable to determine host address: NiHostToAddr failed ?

  The SAP error message "00497 Unable to determine host address: NiHostToAddr failed" typically indicates that the SAP system is having trouble resolving the hostname of the application server or the database server. This can occur due to various reasons, including network configuration issues, DNS problems, or incorrect settings in the SAP system.
  Causes:
  
  DNS Resolution Issues: The hostname cannot be resolved to an IP address due to DNS misconfiguration or the DNS server being unreachable.
  Incorrect Hostname: The hostname specified in the SAP configuration might be incorrect or misspelled.
  Network Configuration: There may be network issues preventing the SAP system from reaching the DNS server or the specified host.
  Hosts File Configuration: The /etc/hosts file (on Unix/Linux) or C:\Windows\System32\drivers\etc\hosts file (on Windows) may not contain the correct mappings for the hostname.
  Firewall or Security Settings: Firewalls or security settings may be blocking access to the hostname or DNS server.
  
  Solutions:
  
  Check Hostname: Verify that the hostname specified in