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Could not create output directory 'directory'. <reason>

Visual Studio .NET 2003

The project system could not create a project directory.

The project system will attempt to create all output directories as soon as the project is opened. The following is a list of the output directories created by the project system:

projectfolder\obj\configname
A temporary configuration-specific output directory.
projectfolder\obj\configname\temp
Working area used by the compiler.
projectfolder\obj\configname\temppe
Temporary assemblies used by designers at design-time are created here.
outputdir
The directory specified by the Output Path property. See Build, Configuration Properties, <Projectname> Property Pages Dialog Box for more information.

The most common reason for failing to create one of the directories under the obj folder is exceeding the MAX_PATH limit for directory names.

Less common reasons will include permission denied and out of disk space.

To correct this error

  • If the path is too long, change the project location or shorten the name of the project configuration.

    The build process will fail if this error occurs.

See Also

Modifying Project Properties and Configuration Settings

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