How To Fix CNVMBTRFC051 - Determination of IP number from Host name failed

CNVMBTRFC051 - Overview

• Message type: E = Error

• Message class: CNVMBTRFC - Messages used in RFC Management and its objects

• Message number: 051

• Message text: Determination of IP number from Host name 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.

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CNVMBTRFC051 - Details

• The SAP error message CNVMBTRFC051 indicates that there is a problem with the determination of the IP address from a given host name. This error typically occurs in the context of Remote Function Calls (RFC) when the system is unable to resolve the host name to an IP address.
  Causes:
  
  DNS Issues: The most common cause is a failure in the Domain Name System (DNS) resolution. The host name may not be correctly configured in the DNS server, or the DNS server may be unreachable.
  Incorrect Host Name: The host name specified in the configuration may 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: The /etc/hosts file (on Unix/Linux systems) or C:\Windows\System32\drivers\etc\hosts file (on Windows systems) may not contain the correct mapping for the host name.
  Firewall or Security Settings: Firewalls or security settings may be blocking access