RDP not working at windows system

Error message after trying to login from administration portal after console options is set remote desktop: "Remote desktop can't find the computer XXXXXXX, this means that this doesn't belong to the specified network"

So basically at virtual machine> Console options> Remote desktop> Console > This error message comes after opening the downloaded rdp file

On the other hand, while doing mstsc > system is found and after credentials are given and it tries to connect second error message is given.
"An authentication error has occured. THe function requested is not supported. "

Both error message are sent on attachments.

Please be noted: Previously the hypervisor was rhv 4.1 and just today upgraded into 4.2 and after upgradation this error message is coming while trying.