Certificate Authority
Find CA Server
In AD find the Members of the "Cert Publishers" group
Determine CA Type
Log on to the CA Server and open a command prompt
certutil -dump
......
Config: 'server.blah.com\blah.com'
based on the output of that command build the next command
certutil -cainfo -config $CONFIG type
certutil -cainfo -config server.blah.com\blah.com type
Uninstall CA
Stop CA service on certificate server and observe the behavior (events, failures on DCs, clients).
If CA service is left started, keep a check on Issued Certificates container on CA server, observe if any additional certificates are issued.
Links
How to decommission a Windows enterprise certification authority and how to remove all related objects = http://support.microsoft.com/kb/889250
Checklist: Decommissioning a certification authority = http://technet.microsoft.com/en-us/library/cc786938(WS.10).aspx
Uninstall a certification authority = http://technet.microsoft.com/en-us/library/cc785971(WS.10).aspx
Processing Domain Controller Certificates = http://technet.microsoft.com/en-us/library/cc787009(WS.10).aspx