How To Fix CNVMBT216 - Not all rfc destinations are ready for use. (see long text)

CNVMBT216 - Overview

• Message type: E = Error

• Message class: CNVMBT - Messages for MBT/API/PCL

• Message number: 216

• Message text: Not all rfc destinations are ready for use. (see long text)

What causes this issue?

The system has detected an issue in the defintion of RFC destinations
that are used in the present context.
The issue might be related to locally or remotely defined destinations.
Reasons for an issue could be (for example):
unavailaiblity of systems due to connection issues or system downtime
RFC user issues (e.g. locked user / missing authorizations)
Issue in control data of RFC destination assignment for the given
context
Changes in the RFC destination settings that have been directly
performed viy transaction SM59

System Response

The process step 'Define RFC Destinations' ( technical name
PC001_RFC_MANAGEMENT) is reporting errors.

How to fix this error?

Enter extended view of the current process tree and evaluate the log of
process step 'Define RFC Destinations' .
Execute the process step in order to Re-execute all checks for the given
destinations.
Contact your system administrator in order to check connection issues
that are reported for certain destinations / users in the different
systems .

Procedure for System Administrators

Check settings of relevant RFC destinations using transaction SM59 .
Check status of RFC users with standard user management transactions
(e.g. SU01)

Error message extract from SAP system. Copyright SAP SE.

CNVMBT216 - Details

• The SAP error message CNVMBT216 indicates that not all RFC (Remote Function Call) destinations are ready for use. This error typically arises during data migration or system conversion processes, particularly when using tools like SAP S/4HANA Migration Cockpit or other data transfer methods that rely on RFC connections.
  
  Cause:
  
  RFC Destination Configuration: The RFC destinations may not be properly configured in the SAP system. This could be due to missing or incorrect connection parameters.
  Network Issues: There may be network connectivity issues preventing the SAP system from reaching the target system.
  Authorization Issues: The user credentials used for the RFC connection may not have the necessary authorizations to access the target system.
  Target System Availability: The target system may be down or not available for connections.
  Transport Layer Issues: There could be issues with the transport layer that affect the ability to establish RFC connections.
  
  
  Solution:
  
  
  Check RFC Destination Configuration:
  
  Go to transaction SM59 in the SAP GUI.
  Verify that