How To Fix SDS_COMMON039 - Number of aRFC processes must be 1 or greater than 1

SDS_COMMON039 - Overview

• Message type: E = Error

• Message class: SDS_COMMON -

• Message number: 039

• Message text: Number of aRFC processes must be 1 or greater than 1

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 SDS_COMMON039 - Number of aRFC processes must be 1 or greater than 1 ?

  The SAP error message SDS_COMMON039 indicates that there is an issue with the configuration of asynchronous Remote Function Call (aRFC) processes in your SAP system. This error typically arises when the number of aRFC processes is set to zero or is not configured correctly, which prevents the system from processing asynchronous calls.
  
  Cause:
  
  Configuration Issue: The number of aRFC processes is set to zero or is not defined properly in the system configuration.
  System Parameters: The relevant parameters for aRFC processes may not be set correctly in the instance profile.
  Transport Layer Issues: If the transport layer is not configured properly, it can lead to this error.
  
  
  Solution:
  To resolve the SDS_COMMON039 error, follow these steps:
  
  
  Check and Update Instance Profile:
  
  Go to transaction RZ10 (Profile Maintenance).
  Select the instance profile you are using (e.g., DEFAULT.PFL or your specific instance profile).
  Look for the parameter rdisp/wp_no_aRFC and ensure it is set to a value of 1 or greater. This parameter