How to query and delete old Computer Objects from Active Directory
Query computer objects which have been inactive for 8 weeks in a specific OU
dsquery computer “OU=Computers,OU=OUNAME,DC=domain,DC=local” -inactive 8
Query computer objects which have been inactive for 8 weeks in a specific OU and name starts with PCNAME
dsquery computer “OU=Computers,OU=OUNAME,DC=domain,DC=local” -inactive 8 -name PCNAME*
Open the Command Prompt now as Administrator
Query THEN DELETE computer objects which have been inactive for 8 weeks in a specific OU and name starts with PCNAME
dsquery computer “OU=Computers,OU=OUNAME,DC=domain,DC=local” -inactive 8 -name PCNAME* | dsrm -noprompt