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I try to upgrade Windows 7 machines to Windows 10 with MDT Microsoft Deployment Tool. The installation is getting stuck at 30% after a reboot. I tried several solutions but none of them worked.

Delete entries in system variables.
Delete drive letter on system reserved partition (is not the case).
Repairing windows 10 system files

DISM.exe /Online /Cleanup-image /Restorehealth
sfc /scannow

It is not an option to upgrade the machines with a Windows 10 ISO file, we have 130 stores all around the country. Do you guys have any idea?

I have different errors in de C:$WINDOWS.~BT\Sources\Panther\setuperr.log file. But there are a lot of errors and I don't know which one is the correct one to start with. At the end of the line I have those two errors.

2021-11-09 15:18:34, Error      [0x0803eb] MIG    Error: 161 Message: Error opening the key HKLM\SOFTWARE\\System\CurrentControlSet\Control\TabletPC: The specified path is invalid. [0x000000A1][gle=0x00000002]

2021-11-09 15:18:44, Error      [0x0808fe] MIG    Plugin {0b23c863-4410-4153-8733-a60c9b1990fb}: TableTextServiceMig!RemoveObsoleteCHSHKLMRegkey - fail to open regkey (software\Microsoft\CTF\TIP{E429B25A-E5D3-4D1F-9BE3-0C608477E3A1}\LanguageProfile\0x00000804) = 2
Sercan
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1 Answers1

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This exact problem is discussed in the post Issue when updateing from windows 7 pro to windows 10 pro.

Three workarounds were mentioned which worked for some (but not for everyone), as follows.

1. Incorrect PATH

One poster deleted everything in Path under System Variables except the following:

%SystemRoot%\system32;%SystemRoot%;%SystemRoot%\System32\Wbem;%SYSTEMROOT%\System32\WindowsPowerShell\v1.0\

Check if you have any unnecessary item in the PATH in addition to the above entries.

2. Assigning drive letter 'A' to the "System Reserved" partition

This was done using Disk Management. It seems like a weird solution, but it was reported as working by one guy.

3. Tweaking.com windows repair

The poster downloaded and ran Tweaking.com - Windows Repair Portable and reports:

I can't remember which items exactly I ticked but pretty much resetting all the services, Windows update, firewall etc. Then rebooted and tried the Win10 1909 upgrade, and it worked perfectly.

harrymc
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