Leveraging Active Directory's automation endpoints enable one to programmatically import AD discovered computers into QualysGuard. This documents the workflow that will enable this automation.
Leverage this PowerShell script to list all computer accounts within your Active Directory:
Parse the output for IP addresses. This can be perfomed via any scripting language.
Leverage the Qualys v1 API asset_ip.php function to programmatically add the IP addresses from the PowerShell output to your QualysGuard subscription.