Export the Root CA Certificate
In the Certificate Authority (CA) server, export the root CA certificate.
To export the root CA certificate:
1. Log in to the Certificate Authority (CA) server.
2. Open a Microsoft Management Console window (for example,enter mmc.exe in the Start menu
search field).
3. From the console window, select File > Add/Remove Snap-in.
4. Add the Certificates snap-in, selecting Computer account and then Local computer.
5. Click Finish, and OK to close the Add or Remove Snap-ins dialog.
6. From the console, select Certificates (Local Computer) > Trusted Root Certification Authorities >
Certificates.
7. In the right panel, right-click the certificate, and select All Tasks > Export.
8. Follow the wizard to export the certificate:
a. Select Base-64 encoded X.509 (.CER).
b. Click Browse, specify a name and location for the certificate, and then click Save.
c. Click Finish, and then click OK.
Create a Certificate Template for Client Authentication
In the CA server, create a certificate template for client authentication.
To create a certificate template for client authentication:
1. From the CA server, click Start > Administrative Tools > Certification Authority.
2. Expand the tree for your CA.
3. Right-click Certificate Templates, and then click Manage.
4. Right-click the Computer template, and then click Duplicate Template.
5. Configure the template as follows:
a. From the Compatibility tab, select Windows Server 2003.
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Export the Root CA Certificate
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