Restorehealth Error 800F0915

Banjoman301 · 2026-09-03T17:57:43-0400

Sir_George said:
concerned it may cause some problem if left in the current state. Do you know of any issues it may cause?

I have not heard of any issues created as a result of /RestoreHealth failing.

If your system is running well, I would not be concerned.

However, if you do experience additional issues, your next step should be to do an in-place upgrade (repair install), which re-installs Windows without losing your apps, settings, and personal data.

FrancoDT · 2026-09-03T19:37:11-0400

Hey,hey,hey, A bit ago I decided to try a (Settings/Recovery/Reinstall-Now) repair install and MS must have fixed something because this time it fixed my DISM 0x800f0915 Restorehealth error on build 26300.9278. Last time I tried to run this it downloaded the experimental 26340.XXXX build and I had to cancel it but this time it just did a 26H2 restore. Imagine my surprise to see Restorehealth actually complete with no error this time. One thing I should point out is the reboot took a "looong" time with just a black screen showing for awhile. I started to worry for a bit but it eventually finished the install. Also as a side note it reinstalled Onedrive yet again which I promptly disabled and removed.

KevTech · 2026-09-03T20:00:29-0400

Ramesh Sharma said:
wmic runs from Recovery Drive in WinPE environment.

Not on the latest build as it has been removed.
You must have an older build of recovery drive.

gunrunnerjohn · 2026-09-03T20:14:01-0400

Sir_George said:
I have been trying to correct this for a few hours using ChatGPT and nothing has worked. Outside of trying to fix the problem, I was concerned it may cause some problem if left in the current state. Do you know of any issues it may cause?

I went down all those rabbit holes a couple weeks back. We're just going to have to wait for Microsoft to fix this. Since a repair install doesn't change the symptoms, my feeling is that the component stack is fine, it's some other data that isn't replaced by a repair install that is causing the issue. SFC runs clean on mine, and three different sources for a repair install didn't fix it.

Don't beat your head against a wall trying to fix this, I've already done that for you!

FrancoDT · 2026-09-03T20:16:02-0400

gunrunnerjohn said:
I went down all those rabbit holes a couple weeks back. We're just going to have to wait for Microsoft to fix this. Since a repair install doesn't change the symptoms, my feeling is that the component stack is fine, it's some other data that isn't replaced by a repair install that is causing the issue. SFC runs clean on mine, and three different sources for a repair install didn't fix it.

Don't beat your head against a wall trying to fix this, I've already done that for you!

Did you see my post above a bit ago?

garlin · 2026-09-03T20:17:29-0400

On the Insider ISO's (ie. Windows11_InsiderPreview_Client_x64_en-us_26300_9212.iso), WMIC is gone from boot.wim.

Yeah, the end is happening all over the place.

gunrunnerjohn · 2026-09-03T20:19:22-0400

FrancoDT said:
Did you see my post above a bit ago?

Yep, if I get time I'll try the repair install one more time. OTOH, Windows is running fine, so maybe I'll just wait and see if MSC figures it out.

FrancoDT · 2026-09-03T20:21:36-0400

gunrunnerjohn said:
Yep, if I get time I'll try the repair install one more time. OTOH, Windows is running fine, so maybe I'll just wait and see if MSC figures it out.

I'm thinking they fixed something as it actually worked this time and had an odd reboot.

PerpetualCycle · 2026-09-03T21:24:53-0400

FrancoDT said:
Hey,hey,hey, A bit ago I decided to try a (Settings/Recovery/Reinstall-Now) repair install and MS must have fixed something because this time it fixed my DISM 0x800f0915 Restorehealth error on build 26300.9278. Last time I tried to run this it downloaded the experimental 26340.XXXX build and I had to cancel it but this time it just did a 26H2 restore. Imagine my surprise to see Restorehealth actually complete with no error this time. One thing I should point out is the reboot took a "looong" time with just a black screen showing for awhile. I started to worry for a bit but it eventually finished the install. Also as a side note it reinstalled Onedrive yet again which I promptly disabled and removed.

View attachment 181633 View attachment 181634 View attachment 181635

I have tried all of this and non of it has worked.

Have you tried /scanhealth or /restorehealth following this. With me it was just an endless loop.

Ramesh Sharma · 2026-09-03T21:36:09-0400

KevTech said:
Not on the latest build as it has been removed.
You must have an older build of recovery drive.

View attachment 181639

pseymour · 2026-09-03T21:38:57-0400

@Ramesh Sharma No one is saying you don't have wmic, mate. It's going away, so you won't be able to count on it much longer.

Starting in August 2026, Windows 11, version 24H2 and 25H2 will no longer include the Windows Management Instrumentation Command-line (WMIC) utility. WMIC is already removed by default in new installations of Windows 11, versions 24H2 and 25H2, and will no longer be available as a Feature on Demand (FoD). This change affects only the WMIC utility; Windows Management Instrumentation (WMI) remains supported.

August 27, 2026—KB5120998 (OS Builds 26200.9278 and 26100.9278) Preview | Microsoft Support

August 27, 2026—KB5120998 (OS Builds 26200.9278 and 26100.9278) Preview

support.microsoft.com

2026: The WMIC utility has been removed from currently supported versions of Windows 11. The removal is reflected in Windows Insider Preview builds and will be included in the August 2026 preview update for Windows 11, versions 24H2 and 25H2. WMIC is also removed from Windows 11, version 26H1. It is no longer available as a Feature on Demand (FoD).

Windows Management Instrumentation Command-line (WMIC) removal from Windows | Microsoft Support

Windows Management Instrumentation Command-line (WMIC) removal from Windows

support.microsoft.com

FrancoDT · 2026-09-03T21:39:06-0400

PerpetualCycle said:
I have tried all of this and non of it has worked.

Have you tried /scanhealth or /restorehealth following this. With me it was just an endless loop.

I couldn't get anything to fix it including a full UUP dump ISO install. I decided to try the Recovery Repair install today more to see which build it tried to download and install due to the wrong build downloading previously. Since it looked like the right repair download this time I let it install and reboot. I ran the DISM/Restorehealth and was shocked when it completed without error this time. Sadly Scanhealth just said the component store is repairable again so I guess it's still got bugs.

FrancoDT · 2026-09-03T21:59:50-0400

PerpetualCycle said:
I have tried all of this and non of it has worked.

Have you tried /scanhealth or /restorehealth following this. With me it was just an endless loop.

On the plus side RestoreHealth completed without errors again.

Ramesh Sharma · 2026-09-03T22:30:13-0400

Thanks all of you for reading.
I have prepared a batch file based on a conversation/chat with DeepSeek AI. Thanks DeepSeek.
Copy and paste Recovery-Final-Universal.cmd in root of Recovery Drive. Boot from Recovery Drive and run Recovery-Final-Universal.cmd from root.
J:\> md Scratch
J:\>Recovery-Final-Universal.cmd
====================================================
RECOVERY-OFFLINE TOOL
====================================================

[1] Scanning for Windows installations...

[1] Drive C: Windows 10 Home Single Language [Build 19045, 22H2] - Standard Installation
[2] Drive D: Windows 11 Home Single Language [Build 26200, 25H2] - Standard Installation
[3] Drive E: Windows 11 Pro [Build 26200, 25H2] - Windows To Go (WTG)
[4] Drive X: Windows OS [Build 0, ] - Standard Installation

Total Windows installations detected: 4

====================================================
Select Target Windows Installation
====================================================

Enter the number (1-4): 3

====================================================
SELECTED: E: - Windows 11 Pro
Build: 26200
Version: 25H2
Type: Windows To Go (WTG)
====================================================

Recovery Drive: J:
Found Reconstruct.WIM

====================================================
LIST OF ALL PARTITIONS
====================================================

Microsoft DiskPart version 10.0.26100.1

Copyright (C) Microsoft Corporation.
On computer: MININT-FARBD6F

Volume ### Ltr Label Fs Type Size Status Info
---------- --- ----------- ----- ---------- ------- --------- --------
Volume 0 C Windows 10 NTFS Partition 64 GB Healthy
Volume 1 D Windows 11 NTFS Partition 55 GB Healthy
Volume 2 FAT32 Partition 100 MB Healthy Hidden
Volume 3 E Windows_25H NTFS Partition 243 GB Healthy
Volume 4 F DATA BACKUP NTFS Partition 585 GB Healthy
Volume 5 G RECOVERY PA NTFS Partition 90 GB Healthy
Volume 6 H 4DDIG FAT32 Partition 10 GB Healthy
Volume 7 SYSTEM FAT32 Partition 500 MB Healthy Hidden
Volume 8 NTFS Partition 820 MB Healthy Hidden
Volume 9 I ESD-USB FAT32 Removable 32 GB Healthy
Volume 10 J RECOVERY FAT32 Removable 29 GB Healthy

Leaving DiskPart...

====================================================

Enter the drive letter of the ESP (e.g., J, S, or leave blank to skip): S
Using ESP: S:

====================================================
TARGET: E:
ESP: S:
RECOVERY: J:
DISM Source: J:\sources\Reconstruct.WIM
====================================================

Commands to run:
[1] CHKDSK E: /f /r /x
[2] sfc /scannow /offbootdir=E:\ /offwindir=E:\Windows
[3] dism /image:E:\ /cleanup-image /restorehealth /source:J:\sources\Reconstruct.WIM /limitaccess /ScratchDir:J:\Scratch
[4] bcdboot E:\Windows /s S: /f UEFI

Run repairs on E:? (Y/N):

J:\>GetOSInfoUpdated.cmd
====================================================
WINDOWS OS INFO READER (OFFLINE)
====================================================

Enter the Windows drive letter (e.g., E:): E

====================================================
OS INFORMATION FOR E:
====================================================

OS Family : Windows 11
Product Name : Windows 10 Pro
Edition ID : Professional
Build Number : 26200.8037
Display Version : 25H2
Installation Type: Client

====================================================
Press any key to continue . . .

Banjoman301 · 2026-09-03T22:52:45-0400

I'd be more comfortable simply running an in-place upgrade.

PerpetualCycle · 2026-09-03T23:20:06-0400

FrancoDT said:
On the plus side RestoreHealth completed without errors again.

Try scanhealth. Does it succeed?

PerpetualCycle · 2026-09-03T23:21:34-0400

Banjoman301 said:
I'd be more comfortable simply running an in-place upgrade.

Fails with me.

Banjoman301 · 2026-09-04T00:02:19-0400

PerpetualCycle said:
Fails with me.

As it does for a lot of folks, unfortunately...

Still, I would avoid any vibe-coded stuff that could make the problem even worse.

I'd be interested in seeing what's in the logs when /RestoreHealth and repair install fails...

Get-Content C:\Windows\Logs\CBS\CBS.log -tail 30

Get-Content C:\Windows\Logs\DISM\DISM.log -tail 30

Restorehealth Error 800F0915

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