How To Fix CMS101 - COMMUNICATION_FAILURE in RFC call &1 (&2): &3&4

CMS101 - Overview

• Message type: E = Error

• Message class: CMS - KPro: Content Management Service

• Message number: 101

• Message text: COMMUNICATION_FAILURE in RFC call &1 (&2): &3&4

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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Smart SAP Assistant

• What is the cause and solution for SAP error message CMS101 - COMMUNICATION_FAILURE in RFC call &1 (&2): &3&4 ?

  The SAP error message CMS101, which indicates a "COMMUNICATION_FAILURE" in an RFC (Remote Function Call) call, typically arises due to issues in the communication between SAP systems or between an SAP system and an external system. Here’s a breakdown of the potential causes, solutions, and related information for this error:
  Causes:
  
  Network Issues: Problems with the network connection between the systems can lead to communication failures. This could be due to firewalls, routing issues, or network outages.
  RFC Destination Configuration: Incorrect configuration of the RFC destination in the SAP system can cause communication failures. This includes incorrect hostnames, IP addresses, or ports.
  Authorization Issues: The user credentials used for the RFC call may not have the necessary authorizations to perform the requested operation.
  System Availability: The target system may be down or not reachable due to maintenance or other issues.
  Timeouts: The RFC call may be timing out due to long processing times or network latency.
  SAP