Read over this to see if you missed something. One common item to overlook is that the settings need to be configured at the DNS service level as well as each zone. http://www.itgeared.com/articles/1122-understanding-dns-aging-and-scavenging/ Guides and tutorials, visit ITGeared.com.

I'm having problems with stale DNS records, I have 13 DNS zones for all our remote sites, all zones are properly scavening and purging stale records with the exception our primary site. I have validated that scavening is on both the reverse lookup zone and the foward zone. What I can change to resolve these stales records not properly purging?

Read over this to see if you missed something. One common item to overlook is that the settings need to be configured at the DNS service level as well as each zone. http://www.itgeared.com/articles/1122-understanding-dns-aging-and-scavenging/ Guides and tutorials, visit ITGeared.com.