Windows Event ID 1108 – WinMgmt: WMI Repository Corruption Detected

Start by checking the current WMI service status and performing basic repository verification.

Step 1: Open PowerShell as Administrator and check WMI service status:

Get-Service -Name "Winmgmt" | Select-Object Name, Status, StartType
Get-WmiObject -Class Win32_OperatingSystem -ErrorAction SilentlyContinue

Step 2: Navigate to Event Viewer → Windows Logs → System and filter for Event ID 1108 to examine the specific error details.

Step 3: Check WMI repository file integrity:

$RepoPath = "$env:SystemRoot\System32\wbem\Repository"
Get-ChildItem -Path $RepoPath -File | Select-Object Name, Length, LastWriteTime

Step 4: Test basic WMI functionality with a simple query:

Get-CimInstance -ClassName Win32_ComputerSystem -ErrorAction SilentlyContinue

If this method reveals service issues or query failures, proceed to more advanced troubleshooting methods.

Restart the WMI service and clear temporary repository files that might be causing corruption issues.

Step 1: Stop the WMI service and dependent services:

Stop-Service -Name "Winmgmt" -Force
Stop-Service -Name "iphlpsvc" -Force -ErrorAction SilentlyContinue

Step 2: Clear WMI temporary files:

Remove-Item -Path "$env:SystemRoot\System32\wbem\Repository\FS\*" -Recurse -Force -ErrorAction SilentlyContinue
Remove-Item -Path "$env:SystemRoot\temp\wmi*" -Force -ErrorAction SilentlyContinue

Step 3: Restart the WMI service:

Start-Service -Name "Winmgmt"
Start-Service -Name "iphlpsvc" -ErrorAction SilentlyContinue

Step 4: Verify service startup and test WMI functionality:

Get-Service -Name "Winmgmt"
Get-WmiObject -Class Win32_BIOS

Use Windows built-in WMI tools to rebuild the corrupted repository from scratch.

Step 1: Open Command Prompt as Administrator and stop the WMI service:

net stop winmgmt /y

Step 2: Navigate to the WMI directory and reset the repository:

cd /d %SystemRoot%\System32\wbem
winmgmt /resetrepository

Step 3: If the reset fails, manually delete the repository and rebuild:

rd /S /Q Repository
winmgmt /salvagerepository

Step 4: Re-register all WMI providers:

for /f %s in ('dir /b *.mof *.mfl') do mofcomp %s

Step 5: Restart the WMI service and verify functionality:

net start winmgmt

Step 6: Test the rebuilt repository:

Get-WmiObject -Class Win32_LogicalDisk
Get-CimInstance -ClassName Win32_Processor

Perform comprehensive WMI diagnostics to identify specific provider issues and corruption patterns.

Step 1: Run WMI diagnostic utility:

winmgmt /verifyrepository

Step 2: Check WMI provider status and identify problematic providers:

Get-WmiObject -Namespace "root\cimv2" -Class "__Provider" | Select-Object Name, CLSID
Get-CimInstance -Namespace "root\cimv2" -ClassName "__Win32Provider" | Where-Object {$_.HostingModel -eq "LocalSystemHost"}

Step 3: Examine WMI logs for detailed error information:

Get-WinEvent -LogName "Microsoft-Windows-WMI-Activity/Operational" -MaxEvents 50 | Where-Object {$_.LevelDisplayName -eq "Error"}

Step 4: Check registry entries for WMI configuration:

Get-ItemProperty -Path "HKLM:\SOFTWARE\Microsoft\Wbem\CIMOM" | Select-Object *

Step 5: Run comprehensive WMI consistency check:

winmgmt /standalonehost
wmiprvse /regserver

Step 6: Generate WMI diagnostic report:

$DiagPath = "C:\WMI_Diagnostics_$(Get-Date -Format 'yyyyMMdd_HHmmss').txt"
Get-WmiObject -List | Out-File -FilePath $DiagPath
Get-CimClass | Measure-Object | Out-File -FilePath $DiagPath -Append

Perform a complete WMI infrastructure rebuild when standard methods fail to resolve persistent corruption.

Step 1: Create system restore point before major changes:

Checkpoint-Computer -Description "Before WMI Infrastructure Rebuild" -RestorePointType "MODIFY_SETTINGS"

Step 2: Stop all WMI-related services:

$WMIServices = @("Winmgmt", "iphlpsvc", "Themes", "FastUserSwitchingCompatibility")
$WMIServices | ForEach-Object { Stop-Service -Name $_ -Force -ErrorAction SilentlyContinue }

Step 3: Remove entire WMI repository structure:

takeown /f "%SystemRoot%\System32\wbem\Repository" /r /d y
icacls "%SystemRoot%\System32\wbem\Repository" /grant administrators:F /t
rd /S /Q "%SystemRoot%\System32\wbem\Repository"

Step 4: Re-register WMI core components:

cd /d %SystemRoot%\System32\wbem
regsvr32 /s %SystemRoot%\System32\scecli.dll
regsvr32 /s %SystemRoot%\System32\userenv.dll
winmgmt /clearadap
winmgmt /kill
winmgmt /unregserver
winmgmt /regserver
winmgmt /resyncperf

Step 5: Rebuild repository and re-register all MOF files:

winmgmt /salvagerepository
for /f %s in ('dir /b *.mof') do mofcomp %s
for /f %s in ('dir /b en-us\*.mfl') do mofcomp en-us\%s

Step 6: Restart services and perform comprehensive validation:

Start-Service -Name "Winmgmt"
Start-Sleep -Seconds 30
Get-WmiObject -Class Win32_OperatingSystem
Get-CimInstance -ClassName Win32_ComputerSystem
wmic computersystem get name