In the previous example, the DNS server at 192.168.0.4 does not have a valid trust anchor installed for the domain.I'm seeing ongoing DNS issues in my UTM 9, as listed below. + FullyQualifiedErrorId : RCODE_SERVER_FAILURE, + CategoryInfo : ResourceUnavailable: (:String), Win32Exception + Resolve-DnsName -Server 192.168.0.4 -dnssecok If DNSSEC validation does not succeed, an error will be displayed, see the following example. Again, DNSSEC-related resource records are displayed because the zone is signed. Since this DNS server has a valid trust anchor installed for the zone, the DNS query will succeed. In this example, a non-domain-joined nonauthoritative, recursive DNS server at 192.168.0.4 is queried. Next, use the Resolve-DnsName cmdlet to query a nonauthoritative, resolving DNS server with a valid trust anchor installed.
PS C:\> Resolve-DnsName -Server -dnssecok If a zone is not signed, such as the zone in the following example, RRSIG records are not displayed in the output. DNSSEC-related resource records are displayed because the zone is signed. Since authoritative responses are always valid, the DNS query will succeed. In this example, the primary authoritative DNS server is queried. ZoneName ZoneType IsAutoCreated IsDsIntegrated IsReverseLookupZone IsSignedĬ Primary False False False True Name : ĭata : PS C:\> Get-DnsServerZone -Name Name Type TTL Section PrimaryServer NameAdministrator SerialNumber
First, verify that name resolution is successful when querying an authoritative DNS server. To verify DNSSEC validation, use the Resolve-DnsName cmdlet.
#Error unexpected rcode refused resolving windows
Open a Windows PowerShell prompt on a DNS client computer. To use the example Windows PowerShell commands that are provided, replace the server and zone names with the names of the servers and zones that are used in your environment. Use the Verify DNSSEC validation procedure in this topic to verify that name resolution works as expected. For more information about security-aware computers, see Security-aware client. Name resolution policy settings can only be applied to computers that are security-aware. When you have completed the procedures in this topic, return to the parent checklist.įor information about configuring name resolution policy, see The NRPT. Use the following procedures to verify DNS resolution on a DNS client using Windows PowerShell.
Applies To: Windows Server 2012 R2, Windows Server 2012
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