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FRS_ERR_PARENT_AUTHENTICATION
The file replication service cannot satisfy the request because authenticated RPC is not available on the domain controller. The event log may have more information.
FRS_ERR_PARENT_AUTHENTICATION is Win32 error 8010 (0x00001F4A).
What to verify
Verify whether the child or management client can authenticate to NtFrs on the selected parent domain controller. Check parent DC name and resolved address, Kerberos and Netlogon events, and RPC authentication service and level.
Likely causes
- the secure channel to the domain is broken.
- Kerberos cannot obtain a service ticket.
- time or DNS selects the wrong domain controller.
- RPC authentication policy differs between systems.
Troubleshooting steps
- Collect parent DC name and resolved address.
- Record Kerberos and Netlogon events.
- Correlate RPC authentication service and level with the File Replication Service event log, Service Control Manager, Directory Service and Netlogon events, RPC diagnostics, and replica-set state.
Handling, retry, and recovery
Repair DNS, time, and the secure channel, then verify authenticated RPC to the parent before repeating the FRS operation.
Related errors
FRS_ERR_CHILD_TO_PARENT_COMM can be a transport failure after or before authentication; this code specifically identifies unavailable authenticated RPC
Example
A member resolves an old DC address and cannot authenticate to NtFrs there. Correcting DNS and refreshing tickets restores the parent binding.
References
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