Sample Output of DNS diagnostics:
PS C:\Windows\system32> dcdiag /test:dns /s:TEST-DC01
Directory Server Diagnosis
Performing initial setup:
* Identified AD Forest.
Done gathering initial info.
Doing initial required tests
Testing server: Default-First-Site-Name\TEST-DC01
Starting test: Connectivity
......................... TEST-DC01 passed test Connectivity
Doing primary tests
Testing server: Default-First-Site-Name\TEST-DC01
Starting test: DNS
DNS Tests are running and not hung. Please wait a few minutes...
......................... TEST-DC01 passed test DNS
Running partition tests on : DomainDnsZones
Running partition tests on : ForestDnsZones
Running partition tests on : Schema
Running partition tests on : Configuration
Running partition tests on : kimconnect
Running enterprise tests on : kimconnect.com
Starting test: DNS
Test results for domain controllers:
DC: TEST-DC01.kimconnect.com
Domain: kimconnect.com
TEST: Delegations (Del)
Error: DNS server: DC007.kimconnect.com. IP:<Unavailable> [Missing glue A record]
Error: DNS server: DC008.kimconnect.com. IP:<Unavailable> [Missing glue A record]
Summary of DNS test results:
Auth Basc Forw Del Dyn RReg Ext
_________________________________________________________________
Domain: kimconnect.com
TEST-DC01 PASS PASS PASS FAIL PASS PASS n/a
......................... kimconnect.com failed test DNS
If you run into this error, use this script to install RSAT:
dcdiag /test:dns
dcdiag : The term 'dcdiag' is not recognized as the name of a cmdlet, function, script file, or operable program.
Check the spelling of the name, or if a path was included, verify that the path is correct and try again.
At line:1 char:1
+ dcdiag /test:dns
+ ~~~~~~
+ CategoryInfo : ObjectNotFound: (dcdiag:String) [], CommandNotFoundException
+ FullyQualifiedErrorId : CommandNotFoundException
Resolution:
Search DNS management console for stale records and remove them accordingly. Here’s a screenshot of an example:
Sample Output of a DNS zone refresh:
$dnsServer=$env:computername
$zone=$env:USERDNSDOMAIN
dnscmd $dnsServer /zonerefresh $zone
DNS Server NS01.KIMCONNECT.COM forced refresh of zone KIMCONNECT.COM:
Status = 0 (0x00000000)
Command completed successfully.
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