Relationship between ‘SPN Duplication’ and ‘Domain Join’ process
As you might already know, “Service Principal Names” plays an important role in authentication process of Active Directory. If you haven’t watched my video on Kerberos, I suggest you have a look at that video because I explain Kerberos and use of SPNs in Active Directory. However, I will produce a separate video dedicated to SPN later on, so make sure to follow my YouTube channel for more videos. Anyways, in this article, I am going to briefly talk about one of the common problems of authentication and consequently “Secure Channel” which falls to the category of “Duplicated SPN”.