Configure the following setting in the Extensions tab of the Properties of the New Template dialog.
See Active Directory (WSTEP) certificate profiles for a full reference on the WSTEP certificate capabilities.
Application Policies
Select this field and click Edit to choose the Extended Key Usages (EKUs) of the issued certificates. For example:
- Client Authentication
 - Server Authentication
 
Key Usage
Select this field and click Edit to choose supported key usage combinations.
- Digital Signature
 - Digital Signature and Key Encipherment
 - Digital Signature and Nonrepudiation
 - Key Encipherment
 - Key Encipherment and Digital Signature with Nonrepudiation
 
Specifically, any combination containing the following key usages is not supported.
- CRL Sign
 - Decipher Only
 - Encipher Only
 - Key Agreement
 - Key Cert Sign