... http://technet2 .microsoft. com/windowsserver2008/en/library /68 8d144 9-3 08 6- 4 a7 9-9 5e 6- 5 a7f62 068 1731033.mspx.AD CS Certification Authority Upgrade111, 112, 113, 114, 115, 1 16, 117, 118, 119, ... Roles \Active Directory Certificate Services\Enterprise PKI\Contoso-Root-CA\Contoso-Issuing-CA. Click Contoso-Issuing-CA and note the errors. (See Figure 1 5-1 0.)Lesson 2: Configuring and Using Active ... connections. Active Directory Domain ServicesAn AD DS domain running on Windows 2000 SP3, Windows Server 2003, or Windows Server 2008. Upgrade or run a new AD DS domain on Windows Server 2008 if...