|Just a hint but see that edit button on your posts? You want to edit /add to your original post otherwise it just looks like you are having a conversation with yourself.|
Due to a power outage the first step is to run chkdsk /r on all server drives to make sure you have no disk corruption.
Once you have completed this review each servers tcp/ip properties to confirm they are statically assigned and correct.
Then review the event viewer logs for errors that may highlight what your connection issue is caused by.