How To Fix VPD016 - The system cannot 'phone partner &1 (function &2)

SAP Error Message - Details

• Message type: E = Error

• Message class: VPD - Messages in SD Partner Processing

• Message number: 016

• Message text: The system cannot 'phone partner &1 (function &2)

What causes this issue?

The partner that you want to call does not have an address in central
address management format, needed in order to use SAPphone.

System Response

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

How to fix this error?

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 VPD016 - The system cannot 'phone partner &1 (function &2) ?

  SAP Error Message:
  VPD016 The system cannot 'phone partner &1 (function &2)
  
  Meaning / Cause
  This error occurs when the SAP system tries to communicate with a partner system (such as another SAP system or external system) via RFC (Remote Function Call) or a similar communication method, but the connection attempt fails. The message indicates that the system cannot "phone" (i.e., establish a connection to) the specified partner system identified by &1 using the function &2.
  Common causes include:
  
  Network connectivity issues between the systems.
  Incorrect or missing RFC destination configuration.
  The partner system is down or not reachable.
  Firewall or security settings blocking the connection.
  Incorrect partner system name or function module.
  SAP Gateway or dispatcher not running on the partner system.
  Incorrect port or service parameters.
  
  
  Solution / Troubleshooting Steps
  
  
  Check RFC Destination:
  
  Go to transaction SM59.
  Verify the RFC destination for the partner system (&1).
  Test the connection using the "Test Connection" button.
  If the test fails, check the configuration parameters (target host, system