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MOFCOMP command in Windows

The MOFCOMP command in Windows is used to compile Managed Object Format (MOF) files and add or remove classes and class instances in the WMI repository. It can be run from the command prompt and is useful for managing WMI classes and instances. The MOFCOMP command helps ensure the proper functioning of Windows Management Instrumentation (WMI) by updating the WMI repository with the information from the MOF files. By using MOFCOMP, users can make changes to the WMI database, such as creating custom classes or updating existing ones.

MOFCOMP Syntax:

Terminal window
mofcomp [FileName]

Windows MOFCOMP Options:

OptionDescription
NoneThere are no specific options for MOFCOMP.

MOFCOMP Parameters:

ParameterDescription
FileNameSpecifies the path to the MOF file to be compiled.

How to use MOFCOMP command:

Compile a MOF File

Terminal window
mofcomp C:\myfolder\mydata.mof

Compiles the MOF file “mydata.mof” located in the folder “myfolder”.

Display MOF File Contents

Terminal window
mofcomp /E:mydata.mof

Displays the contents of the MOF file “mydata.mof”.

Compile a MOF File and Save Output to a Log File

Terminal window
mofcomp C:\myfolder\mydata.mof > C:\myfolder\output.log

Compiles the MOF file “mydata.mof” and saves the compilation output to a log file named “output.log”.

Revert to Default WMI Repository

Terminal window
mofcomp C:\Windows\System32\wbem\wilogutl.mof

Reverts the WMI repository to the default state using the “wilogutl.mof” file.

Check for MOF File Syntax Errors

Terminal window
mofcomp /A:1 C:\myfolder\mydata.mof

Checks the MOF file “mydata.mof” for syntax errors and displays any encountered errors.

Compile Multiple MOF Files

Terminal window
mofcomp C:\myfolder\file1.mof C:\myfolder\file2.mof

Compiles multiple MOF files (“file1.mof” and “file2.mof”) located in the folder “myfolder”.

Add an Alias to a MOF File

Terminal window
mofcomp /A:1 C:\myfolder\mydata.mof

Adds an alias to the MOF file “mydata.mof” to reference other MOF files.

Output Compiled MOF File Details

Terminal window
mofcomp /D:1 C:\myfolder\mydata.mof

Outputs detailed information about the compiled MOF file “mydata.mof”.

How do I use mofcomp in Windows?

To use the mofcomp command in Windows, execute the following command:

Terminal window
mofcomp C:\example\sample.mof

What is the purpose of the mofcomp command in Windows?

The mofcomp command in Windows is used to compile Managed Object Format (MOF) files into the WMI database.

How can I list all options available with the mofcomp command in CMD?

To view all available options with the mofcomp command in CMD, you can use the following command:

Terminal window
mofcomp /?

How can I check the version of mofcomp installed on my Windows system?

To check the version of mofcomp installed on your Windows system, you can run the following command:

Terminal window
mofcomp /version

How do I compile multiple MOF files using mofcomp in Windows CMD?

To compile multiple MOF files using mofcomp in Windows CMD, you can execute the following command:

Terminal window
mofcomp C:\example\sample1.mof C:\example\sample2.mof

Can I specify a different output directory for the compiled MOF files with mofcomp in Windows?

Yes, you can specify a different output directory for the compiled MOF files by using the /D parameter followed by the directory path. Here’s an example:

Terminal window
mofcomp C:\example\sample.mof /D C:\output\

How do I suppress output messages while using mofcomp in Windows CMD?

To suppress output messages while using mofcomp in Windows CMD, you can add the /Q parameter to the command. Here’s an example:

Terminal window
mofcomp C:\example\sample.mof /Q

What is the syntax for recompiling a MOF file that has previously been compiled with mofcomp in Windows?

To recompile a MOF file that has previously been compiled with mofcomp in Windows, you can use the /A parameter in the command. Here’s an example:

Terminal window
mofcomp C:\example\sample.mof /A

Applications of the MOFCOMP Command

  • Compile Managed Object Format (MOF) files
  • Parse MOF files and generate corresponding WMI classes
  • Update the WMI repository with new or updated classes and properties