Print server alias and Active Directory

After the creation of CNAME alias in DNS, add of the SPN and modification on the print server registry, there is one more step if you want that your alias appear when browsing printers in Active Directory (Add network printer windows on a client).

With my configuration (Print server and Active Directory on Windows 2008 R2 SP1), I have simply replaced the 3 AD attributes ServerName, shortServerName and uNCName with the alias (impression) :

Even after the reboot of the print server, the attributes don't revert to the print server name.