What does Windows error code 9982 (DNS_ERROR_POLICY_INVALID_NAME) mean?

DNS_ERROR_POLICY_INVALID_NAME

DNS_ERROR_POLICY_INVALID_NAME indicates that the requested policy name does not meet DNS policy naming requirements.

What to verify for DNS_ERROR_POLICY_INVALID_NAME

• Use a unique, descriptive policy name that identifies the policy purpose and level.
• Do not use a name that collides with an existing policy at the same server or zone level.
• Keep a consistent naming convention across multiple DNS servers to make policy reviews auditable.

Get-DnsServerQueryResolutionPolicy
Get-DnsServerQueryResolutionPolicy -ZoneName "example.com"
Get-DnsServerClientSubnet

Microsoft: Add-DnsServerQueryResolutionPolicy

Microsoft: Get-DnsServerQueryResolutionPolicy

Microsoft: DNS Policies overview

Where the result is returned

This result is Win32 system error 9982 (0x000026FE) from winerror.h. AllStat describes it as “The DNS policy name is invalid.”