What does Windows error code 9981 (DNS_ERROR_POLICY_INVALID_WEIGHT) mean?

 
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DNS_ERROR_POLICY_LOCKED DNS_ERROR_POLICY_INVALID_NAME

DNS_ERROR_POLICY_INVALID_WEIGHT

DNS_ERROR_POLICY_INVALID_WEIGHT means the weight supplied for one of the policy scopes is not valid. Scope weights are used when a policy distributes answers between eligible scopes.

What to verify

  • Check the scope-and-weight pairs in the policy for missing, malformed, or unsupported values.
  • Confirm that every referenced zone scope exists in the target zone.
  • Use an explicit, documented traffic-distribution design instead of treating weight as a DNS record priority.
Get-DnsServerZoneScope -ZoneName "example.com"
Get-DnsServerQueryResolutionPolicy -ZoneName "example.com"

Microsoft: Add-DnsServerQueryResolutionPolicy

Microsoft: DNS Policy for geo-location traffic

Microsoft: Get-DnsServerZoneScope


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