How To Fix WRF_UPGRADE_MSG017 - Communication failure while starting remote function call &4

WRF_UPGRADE_MSG017 - Overview

• Message type: E = Error

• Message class: WRF_UPGRADE_MSG -

• Message number: 017

• Message text: Communication failure while starting remote function call &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.

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 WRF_UPGRADE_MSG017 - Communication failure while starting remote function call &4 ?

  The SAP error message WRF_UPGRADE_MSG017 indicates a communication failure while starting a Remote Function Call (RFC). This error can occur in various scenarios, often related to issues with network connectivity, configuration, or system settings. Below are some potential causes, solutions, and related information for this error:
  Causes:
  
  Network Issues: There may be a problem with the network connection between the SAP systems involved in the RFC call.
  RFC Destination Configuration: The RFC destination may not be configured correctly in the SAP system.
  Authorization Issues: The user credentials used for the RFC call may not have the necessary authorizations.
  System Availability: The target system may be down or not reachable due to maintenance or other issues.
  Firewall or Security Settings: Firewalls or security settings may be blocking the communication between the systems.
  SAP Kernel or Version Mismatch: There may be compatibility issues between different SAP versions or kernels.
  
  Solutions:
  
  
  Check Network Connectivity:
  
  Use tools like ping or traceroute to verify that