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During these years I had necessity to recover various files (.doc, mdb, .xls, photos...)  I utilized various free tools (here is an exampl...

Scripting - Riparare il WMI

Mi è capitato spesso di intervenire su Server o Client sui quali era necessario resinstallare il Servizio WMI, a titolo di promemoria segno tali procedure nel sito:

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If you experience behavior when using WMI, such as application errors or scripts that used to work are no longer working, you may have a corrupted WMI repository. To fix a corrupted WMI repository, use these steps:

Windows XP and Windows Vista

Click Start, Run and type CMD.EXE
Note: In Windows Vista, you need to open an elevated Command Prompt window. To do so, click Start, click All Programs, click Accessories, right-click Command Prompt, and then click Run as administrator.
Type this command and press Enter:

net stop winmgmt

Using Windows Explorer, rename the folder:

%windir%\System32\Wbem\Repository

(For example, %windir%\System32\Wbem\Repository_bad).
%windir% represents the path to the Windows directory, which is typically C:\Windows.
Switch to Command Prompt window, and type the following and press ENTER after each line:


net start winmgmt

For Windows XP Service Pack 2 solution 2

Click Start, Run and type the following command:
rundll32 wbemupgd, UpgradeRepository
This command is used to detect and repair a corrupted WMI Repository. The results are stored in the setup.log (%windir%\system32\wbem\logs\setup.log) file.

For Windows Vista solution 2

Open an elevated Command Prompt window. To do so, click Start, click All Programs, click Accessories, right-click Command Prompt, and then click Run as administrator.
Type the following command:
winmgmt  /salvagerepository
The above command Performs a consistency check on the WMI repository, and if an inconsistency is detected, rebuilds the repository. The content of the inconsistent repository is merged into the rebuilt repository, if it can be read.

For Windows Server 2003

Use the following command to detect and repair a corrupted WMI Repository:
rundll32 wbemupgd, RepairWMISetup

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 Re-registering the WMI components (Ref WMI FAQ)

The .DLL and .EXE files used by WMI are located in %windir%\system32\wbem. You might need to re-register all the .DLL and .EXE files in this directory. If you are running a 64-bit system you might also need to check for .DLLs and .EXE files in %windir%\sysWOW64\wbem.
To re-register the WMI components, run the following commands at the command prompt:
  • cd /d %windir%\system32\wbem
  • for %i in (*.dll) do RegSvr32 -s %i
  • for %i in (*.exe) do %i /RegServer

Note that none of the above two methods restore the missing files related to Windows Management Instrumentation (WMI). So, below is a comprehensive repair procedure that restores all the missing WMI modules. In case of missing WMI modules, you may use the following method.

Comprehensive rebuild method

Important note:  If you've installed a Service Pack, you need to insert your Windows XP CD with Service Pack integration (called as the Slipstreamed Windows XP CD). If you don't have one, you may point to the %Windir%\ServicePackFiles\i386 folder for a recent version of the system files required during WMI repair. Or you may create a slipstreamed Windows XP CD and insert it when prompted.
Click Start, Run and type the following command, and press ENTER:

rundll32.exe setupapi,InstallHinfSection WBEM 132 %windir%\inf\wbemoc.inf

Insert your Windows XP CD into the drive when prompted. Repair process should take few minutes to complete. Then restart Windows for the changes to take effect.

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