Download the server CA file from Utimaco and upload to iDRAC

On the Utimaco GUI, click Security Tab _→ Local CAs

Select the Server CA you are using and click Download. The file is saved to your local system

On the iDRAC GUI, in the KMS CA Certificate section, click Upload KMS CA Certificate

Upload the Server CA you just downloaded from Utimaco. A message is displayed to indicate the successful upload.