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panagos13's avatar
panagos13
Copper Contributor
Dec 06, 2025

Windows 11 23H2 → 25H2 in-place upgrade fails in SAFE_OS / MIGRATE_DATA

I'm trying to in-place upgrade a Windows 11 23H2 system to 25H2 and consistently get a rollback in the SAFE_OS / MIGRATE_DATA phase with 0x8007042B – 0x2000D. After a lot of analysis (Panther logs, S...
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JACCCD's avatar
JACCCD
Copper Contributor
Jan 30, 2026

We're experiencing the same IPU issue from 23H2 to 25H2, which began after our December company freeze. Previously, we imaged over 600 workstations without problems, but since our last IPU in November, every IPU attempt has failed with the same ADAM error—manual upgrade included. We've tried all suggested solutions without success and suspect a November/December update may have caused corruption. Microsoft is currently investigating.  If anyone has found a solution, please advise as I will.

  • Nobel_Baynes's avatar
    Nobel_Baynes
    Iron Contributor
    Jan 31, 2026

    I came across a few cases about the error and no solution yet, very poor experience.

     

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