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Enable Windows authentication in the ePO - On-prem server

  • Published on Sep 7, 2026
  • 1 minute(s) read
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Before more advanced Windows authentication can be used, the server must be prepared.

To activate the Windows Authentication page in the server settings, stop the ePO - On-prem service.

For details about product features, usage, and best practices, click ? or Help.

  1. From the server console, select Start → Settings → Control Panel → Administrative Tools.

  2. Select Services.

  3. In the Services window, right-click Trellix ePolicy Orchestrator Applications Server and select Stop.

  4. Rename Winauth.dll to Winauth.dll.bak.

    In a default installation, this file is found in C:\Program Files\McAfee\ePolicy Orchestrator\Server\bin.

  5. Restart the server.

When you next open the Server Settings page, a Windows Authentication option appears.