--- ms.date: 01/03/2023 ms.topic: include --- ## Deploy an enterprise certification authority This guide assumes most enterprises have an existing public key infrastructure. Windows Hello for Business depends on an enterprise PKI running the Windows Server *Active Directory Certificate Services* role.\ If you don't have an existing PKI, review [Certification Authority Guidance][PREV-1] to properly design your infrastructure. Then, consult the [Test Lab Guide: Deploying an AD CS Two-Tier PKI Hierarchy][PREV-2] for instructions on how to configure your PKI using the information from your design session. ### Lab-based PKI The following instructions may be used to deploy simple public key infrastructure that is suitable **for a lab environment**. Sign in using *Enterprise Administrator* equivalent credentials on a Windows Server where you want the certification authority (CA) installed. >[!NOTE] >Never install a certification authority on a domain controller in a production environment. 1. Open an elevated Windows PowerShell prompt 1. Use the following command to install the Active Directory Certificate Services role. ```PowerShell Add-WindowsFeature Adcs-Cert-Authority -IncludeManagementTools ``` 3. Use the following command to configure the CA using a basic certification authority configuration ```PowerShell Install-AdcsCertificationAuthority ``` [PREV-1]: /previous-versions/windows/it-pro/windows-server-2012-R2-and-2012/hh831574(v=ws.11) [PREV-2]: /previous-versions/windows/it-pro/windows-server-2012-R2-and-2012/hh831348(v=ws.11)