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DHCP/DNS entries with the name HPSystem.mydomain.com

Posted on 2008-10-07
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Last Modified: 2012-05-05
I've noticed that our DHCP (Windows 2003) server has started to fill up with leases for system name HPsystem.mydomain.com for our HP 7800 systems. After doing some research I have found that the root of whats happening is that by default, HP puts HPSystem as the default ME hostname and after the POST AMT requests an IP address but gives the HPSystem name. The OS will grab the same IP address the ME picked up and will register its hostname in DNS (essentially overwriting the HPSystem DNS registration with the OS hostname).
What I am looking for is a way to keep this from happening without having to reboot the machine or use the command "ipconfig /registerdns" so that remote tools or whatever needs to be done accross the network can be done with ease because it will have the correct DNS entry.
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Question by:supportmail
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Expert Comment

by:thechaosrealm
ID: 22663298
I'd recommend changing the computer name. You definitely want to have unique names for each computer on your network, especially if you're doing remote management.
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by:supportmail
ID: 22663590
Each device has its own unique name, the problem is within the BIOS it sometimes grabs an IP from DCHP and reports back to the DHCP server that the hostname is "HPSystem.mydomain.com" I am wanting to stop this from happening but I have not found a place in the BIOS to turn this off or change the name myself. This is normally resolved after an OS (in this case XP is put onto the workstation) and then somewhere along the lines the device gets restarted or you run the command "ipconfig /registerdns"
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Accepted Solution

by:
isgrot earned 250 total points
ID: 22744660
Have the same problem on our network.  We have deployed 500 HP DC7800 PCs and they are wrecking havoc on our network and DNS.  This is what I've been doing to stop the problem.  

1. Flush dns on PC and run an IP release.
2. Remove hostname HPSYSTEM from DNS, DHCP, wherever you find it.  PTR records need to be removed because reverse lookups will resolve both PC name and HPSYSTEM.  This is our major issue since our UNIX servers do reverse lookups to authenticate PCs.
3. Boot PC and go into BIOs.  Enable the MEBx service.
Reboot PC and hit Control P to access AMT system.  Password is Admin.  You have to change password after you login.  Must be 8 characters, uperr case, number and special character.  Very annoying figuring out a password and it doesn't tell you you have to do this.  
5. Select Intel ME Platfom Configuration.
6. Select Intel ME State Control and set it to Disable.

PC will reboot and you should be all set.  This seems to fix the HPSYSTEM problem and I have not seen it return on the workstations I have done this with.  Unfortuantly, I have 500 of them and every so often this becomes an issue on some.
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