Skip to main content
Instructions for installing the required roles and features on the CA server and OCSP server. Perform the following on each server as indicated. Steps that apply to both servers are performed on each machine independently.
Role summary by server:
  • CA server — Certification Authority (already installed) + Web Server (IIS)
  • OCSP server — Online Responder + Web Server (IIS)
The Online Responder role service is not installed on the CA server, and the Certification Authority role service is not installed on the OCSP server.
1
Select Start > Windows Administrative Tools > Server Manager > Manage. Then select Add roles and features. In the Before You Begin box, select [ Next > ].
2
Choose the installation type: Role-based or feature-based installation. Select [ Next > ].
3
On the Server Selection page, select the local server. Select [ Next > ].
4
On the Server Roles page, check the boxes appropriate for the server you are configuring:
  • CA server: Web Server (IIS) (Active Directory Certificate Services is already installed).
  • OCSP server: Active Directory Certificate Services and Web Server (IIS).
A pop-up window will appear asking if you would like to include management tools. By default, management tools are included; deselect if you do not want them.Select [ Next > ].
5
On the Features page, no additional features are required. Select [ Next > ].
6
OCSP server only. On the AD CS page, review the information provided. No action is required. Select [ Next > ].
7
OCSP server only. On the Role Services page for AD CS, check Online Responder. A pop-up window will appear asking if you would like to include management tools; the defaults are sufficient.
Do not check Certification Authority on the OCSP server. The CA role is only installed on the CA server.
Select [ Next > ].
8
On the Web Server (IIS) page, review the information provided. No action is required. Select [ Next > ].
9
On the Web Server (IIS) Role Services page, the defaults are sufficient. Select [ Next > ].
10
On the Confirmation page, select [ Install ].
11
After installation completes, select [ Close ].