What kind of HP server? If it's got an iLO port you can mount the DVD as a remote drive and install from that.
Or create a CD with a minimal installation system, export the DVD via NFS/CIFS/HTTP(S)/..., start from the CD, and use the exported DVD as installation source.
(1) The server does have an iLO port. How can I mount the DVD on notebook remotely?
(2) How to "create a CD with a minimal installation system, export the DVD via NFS/CIFS/HTTP(S)"? Would you provide some details?
Point your browser to http://<ip-of-ilo> , log in, and go to the remote console tab. There ought to be a "Virtual Media" link on that page. From there on it should be pretty straightforward.
For general remote installation, there's a complete description over at Novell