Prerequisite 1 of 2
AD domain all set
Have an on-premises Active Directory domain up and running.
![](https://ucce.ciscoar.com/wp-content/uploads/2023/09/Join-domain-Windows-server-2019-00-1024x592.jpg)
On your AD/DNS server execute the following commands to verify that the DNS service it is ok.
DCdiag
dcdiag /test:dns /v
![](https://ucce.ciscoar.com/wp-content/uploads/2023/09/Join-domain-Windows-server-2019-01-prerequisite-1024x337.jpg)
Powershell query
$Services='DNS','DFS Replication','Intersite Messaging','Kerberos Key Distribution Center','NetLogon',’Active Directory Domain Services’
ForEach ($Service in $Services) {Get-Service $Service | Select-Object Name, Status}
![](https://ucce.ciscoar.com/wp-content/uploads/2024/07/image-1024x421.png)
Prerequisite 2 of 2
Connectivity
Once we are sure that our AD/DNS server is ok, you can now move to the computer/server you want to join the AD Domain, the first step would be to run a ping to check the AD/DNS server is reachable.
![](https://ucce.ciscoar.com/wp-content/uploads/2023/09/Join-domain-Windows-server-2019-03-reachable-1-1024x351.jpg)
Where to go next?
You are now ready to actually make your computer/server join the AD Domain, in our example we’re working with another server, a Windows server 2019, same steps must be follow on a Windows 10/11 computer.