Microsoft Server 2012 R2

I am getting these error messages on our Domain Controllers, Server 2012 R2, how do I get rid of them.
I do not have a CA installed on the domain controllers.  It is a single site.
I tried everything and they will not go away.
thanks

EventID:  1202
This computer is now hosting the specified directory instance, but Active Directory Web Services could not service it. Active Directory Web Services will retry this operation periodically.
 
 Directory instance: NTDS
 Directory instance LDAP port: 389
 Directory instance SSL port: 636


Event ID:  1400
Active Directory Web Services could not find a server certificate with the specified certificate name. A certificate is required to use SSL/TLS connections. To use SSL/TLS connections, verify that a valid server authentication certificate from a trusted Certificate Authority (CA) is installed on the machine.
 
 Certificate name: DC01.xyz.com
techgeniousAsked:
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Cliff GaliherCommented:
There is a distinction between errors and warnings. And some warnings cannot be resolved if the infrastructure is not in place. If you aren't going to deploy ADCS then you accept that these earnings exist. It pretty much books down to that.
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techgeniousAuthor Commented:
What are the ramifications if I install a CA?
Are you telling me CA has to be installed?
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Cliff GaliherCommented:
The ramifications of installing a CA are significant and should be thoroughly planned.

I am telling you that resolving the warnings requires installing a CA. I am *not* saying that you *have* to resolve those warnings. That is an environmental decision that you have to make based on your business, security, and internal IT goals.
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Windows Server 2012

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