DFSR failing on main domain controller

DFSR replication seems to be failing on my Domain Controller that holds all the domain roles.

Every 5 minutes i get errors 2104 / 2212 and 2106 on the domain controller.

The other domain controllers report

The DFS Replication service is stopping communication with partner domaincontrller for replication group Domain System Volume due to an error. The service will retry the connection periodically.
Additional Information:
Error: 9033 (The request was cancelled by a shutdown)
Connection ID: 8DAD90BA-150D-4DA4-9F30-5EED852B6CA4
Replication Group ID: 1996DD82-0403-4C8D-967F-99591BE03D71


The DFS Replication service encountered an error communicating with partner DomainController for replication group Domain System Volume.
Partner DNS address: DomainController.domain
Optional data if available:
Partner WINS Address: Domaincontroller
Partner IP Address: IP
The service will retry the connection periodically.
Additional Information:
Error: 1753 (There are no more endpoints available from the endpoint mapper.)
Connection ID: 8DAD90BA-150D-4DA4-9F30-5EED852B6CA4
Replication Group ID: 1996DD82-0403-4C8D-967F-99591BE03D71

I have checked the permissions for the System information folder and it all looks ok on the failing DC, i have also tried stopping the service, moving the DFSR folder and letting it rebuild it but still get the same error messages.

What can i do to fix this issue? I am worried that it will cause sync issues on my domain.
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Have you tried rebooting the DCs?
CaptainGibletsAuthor Commented:
No joy, I just moved the roles to another DC and demoted it.
can you check if other dcs are replicating with dfsr correctly ?
if yes, on faulting dc check if sysvol and net logon shares are shared
I believe you need to do sysvol non authoritative restore on this dc,
before u do that if server contains fsmo, move all fsmo to different server and force ad replication and check if output of below commands is same on all servers ?
follow steps in below article

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forgot to add command details
netdom query fsmo
the command should be run on all dcs
CaptainGibletsAuthor Commented:
thanks for help.
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