Conditional forwarder in AD does not replicate to branch DNS server
Scenario
Most servers resolve a partner namespace correctly, but the branch DNS server never receives the forwarder.
Aging and scavenging removes active host records unexpectedly
Scenario
Active devices disappear from DNS even though they are online and in use.
Dynamic DNS updates fail from one server with secure update errors
Scenario
A member server should register its records automatically, but secure update errors prevent changes.
Client resolves domain but not kerberos records for site
Scenario
Basic domain lookup works, but Kerberos or LDAP site-specific record lookups fail.
AD DNS zone missing new SRV records after DC promotion
Scenario
A domain controller promotion completes, but expected service locator records are absent from the integrated DNS zone.