RE: Error Message Received:'Microsoft Dynamics NAV server is currently not ready to serve the requests. try again Later or Contact your systems Administrator'
most probably this thing comming when your VM not ready/not up or started
because one of my pc i have install server and client by generally , when the pc still not perfect ready or gain ram / CUP much at the time i got this error message
if not : means you get this error out of the server from different PC , most probably this is regarding network , NT AUTHORITY ==> map the user