Forum Discussion
panagos13
Dec 06, 2025Copper Contributor
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...
Zaphiro
Jan 13, 2026Copper Contributor
Unfortunately the 25H2 December release did not resolve the issue for me. SafeOS phase still giving errors during migration.