SCCM 2006
Windows 10 1709 -> 20H2. Symantec AV installed.
Task Sequence pretty simple
I have few machines hanging on smsts.log saying "Unable to Read Windows Setup Progress value "SetupProgress" at key REG. Will not update progress UI. Error 1 = 0x800700o2, Error 2 = 0x80070002.
More fresh and clean machines success in TS, but 1709 not.

