What is an Update Sequence Number aka USN and how to check it on the DC
First we will see what is USN? Microsoft says.. Every domain controller maintains a USN that is specific to that domain controller. Whenever a change is made to Active Directory from that DC, the USN is incremented by 1. So if a DC has a USN of 1000 at 11:00 a.m., and 1005 at…
Read More What is an Update Sequence Number aka USN and how to check it on the DC