Open CA server to sing this CSR http:<CA Server ip address>/certsrv/.1.
Click Request a certificate.2.
Click Advanced certificate request.3.
Copy the CSR into Based-64 encoded certificate request.4.
Submit.5.
Download the signed certificate.6.
Step 3. Install the signed certificate back to ADFS server and assign to ADFS feature.
1. Install the signed certificate back to ADFS server. In order to do this, open Server
manager>Tools>Click Internet Information Services(IIS) Manager>.
Local Server>Server Certificate>Open Feature (Action Panel).
2. Click Complete Certificate Request.
3. Select the path to the complete CSR file that you completed and downloaded from the third
party certificate provider.
4. Enter the friendly name for the certificate.
5. Select Personal as the certificate store.
6. Click OK.