Navigate to iDRAC Settings > Network/Security > SSL
Click Next to Generate Certificate Signing Request (CSR). Fill in the fields with the hostname, Org name, ect… Click Generate once done. After a few moments, it the browser will download a txt file. Open the text fiel and copy the text including the —–BEGIN CERTIFICATE REQUEST—– and the —–END CERTIFICATE REQUEST—–
Browse to your AD Certificate Services webpage. Click on Request a certificate.
Click advanced certificate request.
Paste the copied text into the Saved Request box. Select Web Server from the Certificate Template drop-down.
The next step is important for getting the cert to work on modern browsers. You need to add a san attribute to the certificate. To do this, type
san:dns=myserver.mydomain.comClick Submit to create the certificate. You can then download a Base64 version of the certificate to upload to iDrac. Go bac kto the iDrac SSL page. Click GO Back to the SL Main Menu. Select Upload Server Certificate and click Next.
Click Choose File and pick the base64 cert you just downloaded from AD Certificate Services. Click Apply. iDrac will restart and your cert should now be applied.