Raritan Computer DOMINION KSX II - Manual (Page 109)

Chapter 5: Virtual Media
99
Note: You cannot access a remote ISO image via virtual media using an
IPv6 address due to technical limitations of third-party software used by
the by the KX, KSX or KX101 G2 device.
Note: If you are connecting to a Windows 2003 ® server and attempt to
load an ISO image from the server, you may receive an error stating
"Virtual Media mounting on port failed. Unable to connect to the file
server or incorrect File Server username and password". If this occurs,
disable "Microsoft Network Server: Digitally Sign Communications".