Windows 10 Windows 10 1909 to 20H2 Upgrade Failing - 0xC1900101 - 0x20017 - The installation failed in the SAFE_OS phase with an error during BOOT operation

  • Thread starter Thread starter larry.low
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larry.low

I have been trying to upgrade to 20H2 for some time but it constantly fails and haven't been able to decipher the logs.I've done all the standard checks sfc, driver updates, bios updates without success.I am wondering if part of the issues is windows is on a different drive than the EFI and recovery partition but this is just a wild guess.Here is the logs from C:\$WINDOWS.~BT\Sources\Panther\setuperr.log.2021-05-03 16:33:09, Error CSI 00000001 (F) STATUS_OBJECT_NAME_NOT_FOUND #12# from Windows::Rtl::SystemImplementation:

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