How To Fix CMS033 - Error in RFC communication - &

CMS033 - Overview

• Message type: E = Error

• Message class: CMS - KPro: Content Management Service

• Message number: 033

• Message text: Error in RFC communication - &

What causes this issue?

The recipient system crashed.
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System Response

The function cannot be executed.

How to fix this error?

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CMS033 - Error in RFC communication - & ?

  The SAP error message CMS033, which indicates "Error in RFC communication," typically arises when there is a problem with the Remote Function Call (RFC) communication between SAP systems or between an SAP system and an external system. This error can occur in various scenarios, such as during data transfer, when calling remote functions, or when accessing remote systems.
  Causes of CMS033 Error
  
  Network Issues: Problems with the network connection between the systems can lead to communication failures.
  RFC Destination Configuration: Incorrect configuration of the RFC destination in the SAP system can cause this error. This includes incorrect connection parameters, such as the target system's IP address, port, or user credentials.
  Authorization Issues: The user credentials used for the RFC connection 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.
  Firewall Restrictions: Firewalls or security settings may be