[Hyper-V] VMs can not join Domain

1. check out the log, it located at
    C:\Windows\debug\dcdiag.txt
2. Add this DNS address to your network
3. Reboot your PC and join again.

[SQL] I am confused about “Snapshot” “Mirror” “Replication” and “Failover Clustering”

Recently I am reviewing these solution in my environment. For my company, we already built the stable SQL server and rarely to look at what kind of solution is the best for us.
Just for my understanding and I still have lots knowledge needed to know
Replication)