@@chuyenonline9092 I don´t pay for broken things that don´t work properly.. If you do, let me know your contact details as I have some junk to sell you :D :D :P
site replication is referring to multiple sites in your environment. back in SCCM 2012 some enterprise setup a CAS and child primary sites. under child primary site they could have secondary sites. now a day you don't need to do that anymore. one primary site should handle up to 150K clients.
