The following command prompt commands can be used when auditing Active Directory for old computer objects.
Please note, if you’re using Windows XP you will need to run the follwing command first to register dsquery.
rundll32 dsquery
Remove old Computer objects – 52 weeks since last modified or used
dsquery computer -inactive 52 -limit 0 dsrm -noprompt –c
Disable old computer accounts – 6 months since last modified or used
dsquery computer -inactive 26 -limit 0 dsmod computer -disabled
List old computer accounts – 6 months since last modified or used
The following command will export the results into an Excel document at C:ADReport.csv
dsquery computer -inactive 26 -limit 0 > C:\ADReport.csv