RHEL 7 installation error

[msk69]

Hi,
I am trying to install Avaya ACR on a Linux machine. It is a VM environment. ACR is a recording application of avaya which required RHEL 7.
I have stuck on Linux installation. Followed each step as define in official NTP of Avaya mentioning Linux installations but no success, every time installation starts then stuck and exit. As par NTPs after i am taking console of the VM and press TAB and then the command as defined in NTP`s. HTTP server is working ok and Linux software is on right place.
Can somebody help what is the exact command to install LINUX through KS.CFG, ks.cfg is on http server and RHEL 7 loaded on VM data store. After taking console of VM i am pressing TAB and giving the command. Below is the error i am getting. Can somebody send his/her installation notes and commands on Linux based ACR. I am installing Linux 7.

> vmlinuz initrd=initrd.img ip=

http://xx.xx.xx.xx::Gateway:subnetmask:hostname:ens192:off

ks=

http://fileserver

ip/ks.cfg

i also tired below command
vmlinuz initrd=initrd.img ks=

http://fileserver

ip/ks.cfg

but each time it pops up /dev/root does not exist.

i will be thankful if some send me hand made note or commands.

 

[msk69]

any help