How To Fix OT016 - Error with remote connection to SAP system &1 (destination &2): &3&4

OT016 - Overview

• Message type: E = Error

• Message class: OT - SAP Online Correction Support (SOCS)

• Message number: 016

• Message text: Error with remote connection to SAP system &1 (destination &2): &3&4

What causes this issue?

An error occurred during RFC communication with SAP system &V1&. The
message returned by the RFC interface says:
&V2&&V3&&V4&

System Response

No data transferred from or to remote system &V1&.
WHAT_TO_DO&
Inform your system administrator if required.

Procedure for System Administrators

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

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message OT016 - Error with remote connection to SAP system &1 (destination &2): &3&4 ?

  The SAP error message OT016 indicates that there is an issue with a remote connection to an SAP system. This error typically arises when there is a problem with the configuration of the RFC (Remote Function Call) destination or when there are connectivity issues between the systems.
  Causes of OT016 Error
  
  
  Incorrect RFC Destination Configuration: The RFC destination may not be set up correctly in the SAP system. This includes incorrect parameters such as the target system's hostname, system number, client, user credentials, etc.
  
  
  Network Issues: There may be network connectivity problems between the SAP systems. This could be due to firewalls, network outages, or incorrect routing.
  
  
  Authorization Issues: The user credentials used for the RFC connection may not have the necessary authorizations to access the target system.
  
  
  Target System Down: The target SAP system may be down or not reachable due to maintenance or other issues.
  
  
  SAP Gateway Issues: The SAP Gateway service may not