can't acquire dhcp lease

source : debian-user-digest # 1386.

Issue : What might be the problem that my laptop can't acquire dchp lease from Linux while Windows can ?
this a dual-boot machine. So same machine, same MACs, same spot, same line. Only difference is the OS, which they do have different hostnames though.

Solution :

Then your dhcp server is probably requiring that hostnames be sent.
By default the dhcp3 client doesn't send hostnames unless it is configured to do so.
Read : http://www.debian.org/doc/manuals/reference/ch05.en.html#_the_network_interface_served_by_the_dhcp
Add the hostname directive as described in that reference.

During the dhcp time your /var/log/syslog will be logging a trail of information about the network connection. What it says there would be useful information.
$ grep dhclient /var/log/syslog
 
 
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