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There is delay about 1.5 min. during boot, I can't diagnose it.

"Boot Degradation" custom log:
"Boot Degradation" custom log

Delay is caused by "smss". Tried safe mode, no items in autostart list, uninstalled all audio and video drivers, turned off/on page file etc. - no results, the same delay.

I have one more specially optimized Win10 system on this computer installed on separate drive - no problem with boot, 4-5 sec. for "blue window" screen.

UPDATE:

I made trace file with WPR: https://dropmefiles.com/nf2Az

In initial part of boot there's activity of "autochk" process:

Boot with "autochk"

I disabled process with "chkntfs /x" command, but delay is still there:

Boot without "autochk"

apunctum
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    Does this answer your question? SOLVED Boot Session_Init taking forever Win10 – spikey_richie Nov 22 '22 at 18:52
  • I made trace file with WPR:

    https://dropmefiles.com/nf2Az

    In initial part of boot there's activity of "autochk" process:

    I disabled process with "chkntfs /x" command, but delay is still there:

     – apunctum Nov 24 '22 at 12:48
  • If autochk is taking a long time to run, that might indicate drive integrity issues, and it has flagged the drive as dirty. Do you have any SMART errors on your drives? https://learn.microsoft.com/en-us/windows-server/administration/windows-commands/autochk – spikey_richie Nov 24 '22 at 13:18
  • All drives have "Good" health, all are clean. Tried to remove non-system disks - the same delay. And (as I wrote) currently autochk is disabled for all non-removable drives. – apunctum Nov 24 '22 at 21:06

1 Answers1

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The problem was caused by Intel(R) Management Engine Interface:

Thanks to @magicandre1981, I found his answer:

Very slow boot time on Windows 10. 100+ second long Session Init boot phase

apunctum
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