CorFlags Conversion Tool (CorFlags.exe)

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

Note

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

CorFlags.exe assembly [options]

Parameters

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

/32BIT+

Sets the 32BIT flag.

/32BIT-

Clears the 32BIT flag.

Displays command syntax and options for the tool.

/Force

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

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

/help

Displays command syntax and options for the tool.

/ILONLY+

Sets the ILONLY flag.

/ILONLY-

Clears the ILONLY flag.

/nologo

Suppresses the Microsoft startup banner display.

/RevertCLRHeader

Reverts the CLR header version to 2.0.

/UpgradeCLRHeader

Upgrades the CLR header version to 2.5.

Note

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.