Logging on to NAS

[VijayAT123]

I have a DLink DNS-320 with 2 4TB WD Black drives in RAID 0.  I got through setup, finally, and connected it to my network via ethernet.  I'm trying to access it from a WiFi computer.  When I go to Network>VIJAYSNAS>Volume_1, it asks for the DOWNSTAIRS\admin password.  DOWNSTAIRS is the name of the computer and admin (actually Admin) is the username.  Is the password for this the same as my local user login password?  It works for a computer connected via ethernet.  It used to work before I had to re-setup the NAS.  The previous setup was connected to the network and I was able to access Volume_1, without Windows asking for a password.  It says that no more than one connection is allowed.