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CorFlags Conversion Tool (CorFlags.exe) 

The CorFlags Conversion tool allows you to configure the CorFlags section of the header of a portable executable image.


This tool is new in the .NET Framework version 2.0.

CorFlags.exe assembly [options]


Argument Description


The name of the assembly for which to configure the CorFlags.

Option Description


Sets the 32BIT flag.


Clears the 32BIT flag.


Displays command syntax and options for the tool.


Forces an update even if the assembly is strong-named.


If you update a strong-named assembly, you must sign it again before executing its code.


Displays command syntax and options for the tool.


Sets the ILONLY flag.


Clears the ILONLY flag.


Suppresses the Microsoft startup banner display.


Reverts the CLR header version to 2.0.


Upgrades the CLR header version to 2.5.


Assemblies must have a CLR header version of 2.5 or greater to run natively.


If no options are specified, the CorFlags Conversion tool displays the flags for the specified assembly.

See Also


.NET Framework Tools
SDK Command Prompt


64-bit Applications