How To Fix SY366 - Error when connecting to OLE client in SAP GUI

SY366 - Overview

• Message type: E = Error

• Message class: SY - ABAP/4 system messages

• Message number: 366

• Message text: Error when connecting to OLE client in SAP GUI

What causes this issue?

The ABAP/4 processor passes all OLE statements to the SAPgui. The
SAPgui contains function modules that convert these statements to OLE
calls.
The communication to one of these function modules was terminated.

System Response

OLE is only supported under Windows and NT.
Only the Release 3.0 version of the SAPgui supports OLE.

How to fix this error?

Use the latest version of the SAPgui.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message SY366 - Error when connecting to OLE client in SAP GUI ?

  The SAP error message SY366 indicates an issue with connecting to an OLE (Object Linking and Embedding) client from the SAP GUI. This error typically arises when there is a problem with the configuration or compatibility of the OLE client or the SAP GUI itself.
  Causes of SY366 Error
  
  
  OLE Client Not Installed or Misconfigured: The OLE client that SAP is trying to connect to may not be installed on your system, or it may be misconfigured.
  
  
  Version Incompatibility: There may be a version mismatch between the SAP GUI and the OLE client. Ensure that both are compatible with each other.
  
  
  Registry Issues: If you are using Windows, there may be issues with the Windows registry settings related to OLE.
  
  
  Network Issues: If the OLE client is located on a different server, network issues may prevent a successful connection.
  
  
  Permissions: Insufficient permissions to access the OLE client or the required components can also lead to this