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dchunt Absent Member.
Absent Member.
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Registry key for HKLM-Description-BIOS get erased

I am trying to use cctk.exe for Dell Computers to configure how the BIOS is set up. I have a bundle that does this and in order to track what version of the settings I use I want to put a new Registry value in HKLM\HARDWARE\DESCRIPTION\System\BIOS with a value data of 1 (Since it is associated with the BIOS). After I run the bundle, I check the registry and see that the new value is there. All is good.

Then I reboot the WS, go look in that key in the registry and the value and value data that I added are gone! I try it again, reboot and the same thing happens. Does Windows clear out everything in this key and repopulate it every time the WS reboots?

I later created a new key under HKLM\SOFTWARE and then put the value and value data in it and it stays after a reboot.

Dan
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3 Replies
dchunt Absent Member.
Absent Member.

Re: Registry key for HKLM-Description-BIOS get erased

Sorry, I posted this to the wrong forum. Could someone move this to the Windows Bundles forum?

Thanks,

Dan
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Knowledge Partner
Knowledge Partner

Re: Registry key for HKLM-Description-BIOS get erased

On Tue, 29 Nov 2016 18:36:03 GMT, dchunt
<dchunt@no-mx.forums.microfocus.com> wrote:

>
>I am trying to use cctk.exe for Dell Computers to configure how the BIOS
>is set up. I have a bundle that does this and in order to track what
>version of the settings I use I want to put a new Registry value in
>HKLM\HARDWARE\DESCRIPTION\System\BIOS with a value data of 1 (Since it
>is associated with the BIOS). After I run the bundle, I check the
>registry and see that the new value is there. All is good.
>
>Then I reboot the WS, go look in that key in the registry and the value
>and value data that I added are gone! I try it again, reboot and the
>same thing happens. Does Windows clear out everything in this key and
>repopulate it every time the WS reboots?
>
>I later created a new key under HKLM\SOFTWARE and then put the value and
>value data in it and it stays after a reboot.
>
>Dan


According to https://en.wikipedia.org/wiki/Windows_Registry
A fifth subkey, "HARDWARE", is volatile and is created dynamically,
and as such is not stored in a file (it exposes a view of all the
currently detected Plug-and-Play devices).

---
Ken
Knowledge Partner

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dchunt Absent Member.
Absent Member.

Re: Registry key for HKLM-Description-BIOS get erased

Thanks, Ken. That jibes with what I was seeing.

Dan
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