How to count number of objects in active directory

How to count how may objects in AD? How many users, computers and group?

Due to compliance or Asset/inventory/License management purpose we always need a count of system we have in our environment. If you are running Microsoft Windows platform and has Active Directory environment. So, best solution is “Get-AD” power-shell command.

Commands are:

(Get-ADUser -Filter *).Count
(Get-ADGroup -Filter *).Count
(Get-ADComputer -Filter *).Count

(Get-ADObject -SearchBase "cn=Configuration,dc=mydomain,dc=com" -LDAPFilter "(objectClass=site)").Count
(Get-ADObject -SearchBase "dc=Mydomain,dc=com" -LDAPFilter "(objectCategory=*)").Count