If Step 1: Gather required information and Step 2: Analyze Defender Security Server log have not resolved the issue, further diagnostics may be required, including collecting environmental details and tracing. Contact One Identity Support for advice on how to enable tracing. You will need to provide the version number of the Defender Administration Console and Defender Security Server you are using. Normally, you can find the Defender trace files in the following location: %ProgramData%\One Identity\Diagnostics.