Cannot Ping my CentOS 5.6 VM using hostname

Hello,

I am configuring a VM as follows.

Host:

• Windows XP SP2
• VMWare Server 1.0.10

Guest:

• CentOS 5.6
• DHCP enabled with NAT
• VMware tools installed
• hostname = centos-vm

I can access the Internet from the VM.

I can ping the hostname of the VM 'centos-vm' from the VM

I can ping the IP address of the Host from the VM and visa-versa

I cannot ping the hostname of the VM. e.g.

ping centos-vm

Ping request could not find host centos-vm. Please check the name and try again.

Any ideas what could be at fault here? I had a similar setup on an older CentOS 5.2 VM and this worked fine.

Thanks.