AAD - Certificates - How-To - Submit custom certificates requests

Prerequisites

• The requested certificate requires values that are not supported by InCommon such as:
  • Lifetimes exceeding 398 days
  • EKUs other than Digital Signature and Key Encipherment 
  • Subject Alternate Names that are not under the utexas.edu DNS domain
  • Subject Alternate Names that are not DNS addresses such as an IP Address name

Submit the certificate request to an Austin CAs

1. Sign in to a computer joined to the Austin Active Directory where the system has permissions to request a certificate with the desired template

2. Start an administrative PowerShell session as a local administrator 

   Complete any remaining instructions in this PowerShell session unless directed otherwise

3. Modify then run the following commands to define the full path to certificate request file:

   $cert_file_req = C:\Content\certificate\custom.req

4. Run one of the following commands to set the certificate template:

   • For VMware SSL certificates, run the following: 

     $cert_template = "VMwareSSL6.5"

   • For long-duration server certificates, run the following: 

     $cert_template = "Server-10Year"

5. Run the following commands to define where the signed certificate file will be created using the certificate request file

   $cert_file_cer = (Get-Item $cert_file_req).DirectoryName + "\" + (Get-Item $cert_file_req).BaseName + ".cer"

6. Run the following commands to submit the request to an Austin certificate authority:

   certreq -submit -attrib ("CertificateTemplate:" + $cert_template) $cert_file_req $cert_file_cer