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Microsoft maps 0x800F081F to CBS_E_SOURCE_MISSING.
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Resolve 0x800f081f CBS_E_SOURCE_MISSING using DISM logs, build/edition matching, ISO WIM/ESD indexes and repair-source logic.
Microsoft maps 0x800F081F to CBS_E_SOURCE_MISSING.
DISM repair content can come from Windows Update, a policy-defined source, or suitable WIM/ESD media.
This is more specific than 'Windows is corrupt'. Servicing could not obtain required repair content. The payload may be unavailable from Windows Update, policy may point to the wrong source, or supplied media may not match the installed system.
Repeating the same RestoreHealth command without changing the source does not create new information. Collect logs and system version first.
DISM /Online /Cleanup-Image /CheckHealthDISM /Online /Cleanup-Image /ScanHealth`dism.log` and `CBS.log` can reveal missing manifests, package identities and source-resolution failures. Record the failure time and inspect that period.
notepad C:\Windows\Logs\DISM\dism.logfindstr /i /c:"0x800f081f" /c:"source" C:\Windows\Logs\CBS\CBS.logEdition, architecture, language and servicing/build level matter for repair sources. Pointing Windows Pro at a mismatched edition or older build can fail.
Identify the installed system with `winver` and `DISM /Online /Get-CurrentEdition`. Inspect WIM/ESD indexes with `DISM /Get-WimInfo`; never copy an index number from a random guide.
winverDISM /Online /Get-CurrentEditionDISM /Get-WimInfo /WimFile:D:\sources\install.wimDISM /Get-WimInfo /WimFile:D:\sources\install.esdIf the ISO is D: and the matching edition is index 6 in install.wim, an example source is `WIM:D:\sources\install.wim:6`. Use `ESD:` for install.esd. `/LimitAccess` prevents DISM from using Windows Update.
DISM /Online /Cleanup-Image /RestoreHealth /Source:WIM:D:\sources\install.wim:6 /LimitAccessDISM /Online /Cleanup-Image /RestoreHealth /Source:ESD:D:\sources\install.esd:6 /LimitAccessAfter the component store is repaired, run `sfc /scannow` to validate protected live system files. If files remain unrepaired, extract `[SR]` entries from CBS.log.
sfc /scannowfindstr /c:"[SR]" %windir%\Logs\CBS\CBS.log > "%userprofile%\Desktop\sfcdetails.txt"On domain-joined Windows Server, WSUS or Group Policy repair-source settings can block public Windows Update. In production, review servicing design and maintenance windows before changing policy.
Do not use destructive boot, BitLocker, firmware, partition or storage commands without backups and a rollback plan. Never copy example drive letters without verification.
No. If DISM can obtain matching content from Windows Update or an enterprise repair source, an ISO is unnecessary.
It prevents Windows Update access and limits DISM to supplied sources; a mismatched source still fails.
For boot, storage, RDP or update problems on a Windows VPS or physical server, send the exact error code, Windows version and console screenshot to technical support.