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Posted on 2008-10-01
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Last Modified: 2013-11-25
I have a problem with a laptop on our network. Somebody duplicated the hostname of this laptop on our domain therefor I can no longer logon to a network account through this machine. The local admin password was set incorrectly so I cannot login locally and rejoin the domain with a different hostname. The only way I can login to the OS is through the users cached account. To make it even more interesting we are running safeboot which will not allow me to run a standard boot disc to reset the admin password. Any help would be appreciated!
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Question by:PlatformIT
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by:mgonullu
mgonullu earned 20 total points
ID: 22612588
Did you try to boot the CD from an external drive?
Boot from a USB?
or from network using PXE
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Author Comment

by:PlatformIT
ID: 22612625
As far as i'm aware safeboot encrypts the bios so that you cannot hack local accounts regardless of whether the cd is run internally or externally... When you say from network using pxe are you referring to running the boot disc?
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by:mgonullu
ID: 22612675
No I mean boot from network, In that case you have to have a server from witch your laptop Ethernet card can boot
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by:ChiefIT
ChiefIT earned 20 total points
ID: 22630934
I think you may be in luck:

Computers cache up to ten logons, in registry,  in case the domain controller is not present. Unplug your machine's NIC, and logon as if you were logging onto the domain. Change the computer name or local logon.

Safeboot encrypts the boot partition, not the bios, and I have no idea how it does this. But, I do know that the boot partition is encrypted and not any other partition on the drive. It probably encases packets within itself, like 802.1x encryption.
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PlatformIT earned 0 total points
ID: 22830233
Sorry this did not fix the problem
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Author Comment

by:PlatformIT
ID: 22830243
this is resolved.
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Expert Comment

by:mgonullu
ID: 22830270
can you please tell us how you resolved
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