ILO issue

HI,

I have HP RX2620 server.I cannot able to open the remote console from ILO web broweser.It is asking for a JAVA version upgrade.Please sugegst which JAVA version should be ideal for this hardware.

Also I can see the telnet is enable in post 23 in ILO web browser but I cannot able to do telnet also.The IP is pingable.

Please suggest.