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ERROR_DS_POLICY_NOT_KNOWN
At this time, it cannot be determined if the branch replication policy is available on the hub domain controller. Please retry at a later time to account for replication latencies.
ERROR_DS_POLICY_NOT_KNOWN is a domain-specific Windows result.
Likely impact: Treat the state as indeterminate, not as proof that the policy is absent or disabled.
Typical causes
- policy metadata has not replicated yet.
- the contacted hub is stale or unavailable.
- the branch-to-hub association is incomplete.
- the request arrives during topology or policy transition.
Troubleshooting steps
- Verify that the hub DC has received and can evaluate the branch replication policy.
- Collect branch and hub DC identities and policy object version and originating USN.
Useful evidence
- Collect site topology and connection objects.
- Collect time since policy creation or change.
Recovery and retry
Wait for or repair replication to the authoritative hub, then query the same policy with bounded retry.
Related errors
ERROR_DS_NO_RESULTS_RETURNED is an empty query result; this code means policy availability cannot yet be determined
Example
A branch configuration is created on one DC and immediately queried through another hub. After replication converges, the same query returns a definite policy.
References
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