How To Fix WF808 - Calling presentation server was not Windows (NT)

WF808 - Overview

• Message type: E = Error

• Message class: WF - Workflow: messages

• Message number: 808

• Message text: Calling presentation server was not Windows (NT)

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message WF808 - Calling presentation server was not Windows (NT) ?

  SAP Error Message:
  WF808 Calling presentation server was not Windows (NT)
  
  
  Cause:
  This error occurs when a workflow or a related SAP process tries to call or interact with a presentation server (frontend) that is expected to be running on a Windows NT (or compatible Windows) operating system, but the actual presentation server is not Windows NT or is not recognized as such.
  In other words, the workflow or SAP GUI expects the frontend system to be a Windows machine (typically for certain GUI or scripting operations), but the system it tries to communicate with is either:
  
  A non-Windows OS (e.g., Unix, Linux, Mac), or  
  The system identification or environment does not match Windows NT, or  
  The frontend is not properly registered or configured as a Windows presentation server.
  
  This can happen in scenarios involving SAP Business Workflow, where the workflow tries to start a task or send a message that requires interaction with