Process msexchangeadtopology pid 1212 when updating security for a remote procedure
The Microsoft Exchange Active Directory Topology service will continue starting with limited permissions. Exchange Active Directory Provider failed to obtain DNS records for forest %3.
The configuration domain controller specified in the registry (%3) is unreachable.
This event may be caused because of internal memory issues.
You may be able to resolve this event by restarting the Microsoft Exchange Active Directory Topology service.
These records are registered with a DNS server automatically when a domain controller is added to a domain.
They are updated by the domain controller at set intervals.