Note that connecting your NAS via SMB on 10.11.5 will have serious performance problems. See this thread that describes how to fix it.
I had this problem with my WDEX2 when I upgraded to 10.11.5
Note that connecting your NAS via SMB on 10.11.5 will have serious performance problems. See this thread that describes how to fix it.
I had this problem with my WDEX2 when I upgraded to 10.11.5