Step 1:

Validate if the vRO Server Configuration is correct

Step 2:

Configure Active Directory Endpoint

Step 3:

Created a new Active Directory Policy

Step 4:

Validate if the OU is present in Active Directory (exactly the same name which you specified in AD policy creation)

Step 5:

Apply the AD policy to a Business group in vRA:

Step 6:

Provision a VM & check if the computer is added to the OU in AD