topic Re: OS locks up after FDE installation in Endpoint

OS locks up after FDE installation

Peter_Bjeldbak — Thu, 20 Jan 2022 11:26:49 GMT

Greetings !

I have recently deployed FDE on my endpoints.

I use same rule/policy for all FDE clients with great success.

However - certain models among my clients encounters issues when rebooting after encryption - "Loading OS" - then comes to a halt.
I can rule out TPM issues - since i have successfully encrypted Virtual machines - while testing policies for dialog and timing.

These seems to have the issue.

Dell Latitude 5270 *
Dell Latitude 5570 *
Dell Optiplex 7040 *
Dell Optiplex 7050
Dell Latitude 5470 *
Dell Latitude 7280 *
Dell Latitude 7240 *
Dell Latitude 7270 *

However - i have several older Dell models (for eksampel E5530 / E5440 ... ) which encrypts with no issues.

Any ideas as to how to proceed - i need to encrypt all my clients - but would rather not be forced to switch all of the above PC's for new ones just yet.

Kind regards

Peter

Re: OS locks up after FDE installation

LucianLS — Thu, 20 Jan 2022 11:45:46 GMT

Try disabling Fast boot/Quick boot in the bios settings.

Re: OS locks up after FDE installation

Chris_Atkinson — Thu, 20 Jan 2022 12:44:21 GMT

Which Endpoint release are you seeing this on out of interest?

Re: OS locks up after FDE installation

Peter_Bjeldbak — Thu, 20 Jan 2022 13:02:06 GMT

Hi Lucian and thanks

Sounds like a good suggestion - will try soon.

kind regards

Peter

Re: OS locks up after FDE installation

Peter_Bjeldbak — Thu, 20 Jan 2022 13:49:46 GMT

Hi Chris

I am using 86.00.0007

kind regards

Peter

Re: OS locks up after FDE installation

jcortez — Thu, 20 Jan 2022 22:03:07 GMT

@Peter_Bjeldbak

Please make sure that all of the Dell machines you are installing FDE on have the latest BIOS updates. And what is the main drive in the systems formatted as, AHCI or IRRT?

If you have further issues after all the suggestions posted here thus far, I would highly recommend opening a SR with TAC (endpoint team in TAC).

Re: OS locks up after FDE installation

Peter_Bjeldbak — Fri, 21 Jan 2022 08:11:58 GMT

Alas - that did not solve the matter - still fails 😞

But thx for the suggestion.

kind regards

Peter

Re: OS locks up after FDE installation

Peter_Bjeldbak — Fri, 21 Jan 2022 08:14:09 GMT

Seems like you might have struck home - after setting AHCI instead of IRRT (raid) - it seems to behave better - i will do more tests and report.

kind regards

Peter

Re: OS locks up after FDE installation

Peter_Bjeldbak — Fri, 21 Jan 2022 11:06:04 GMT

The shift from IRRT/Raid to AHCI did the trick - thank you for the suggestion.

Re: OS locks up after FDE installation

jcortez — Fri, 21 Jan 2022 14:52:45 GMT

Awesome! Glad that fixed it for you.