I see a lot of Event id 10009 and 10006 in one of Domain Controller (Windows Server 2008 R2) hosted by a Windows 2012 R2.
10009 DCOM was unable to communicate with the computer 192.168.10.xx using any of the configured protocols no windows server/computer
10006 DCOM got error "2147944122" from the computer 192.168.10.xxx when attempting to activate the server:
{8BC3F05E-D86B-11D0-A075-00C04FB68820}