Microsoft PKI – PKI Health (pkiview)

pkiview.msc is a graphical tool that helps immensely with checking the overall function of your Microsoft PKI setup.

Use pkiview.msc:

PowerShell (as admin), type the following:

pkiview

Up front, it is pretty explanatory. You will see if something is not correct in your setup.

Also, view the CA containers in AD:

R-click "Enterprise PKI" 
"Manage AD Containers"
Check each tab to see if everything is functioning OK.