Applies To: Windows Server 2003, Windows Server 2003 R2, Windows Server 2003 with SP1, Windows Server 2003 with SP2


Checks to see if the specified amount of disk space is available before continuing with an installation process.


freedisk [/s Computer [/u [Domain**\]User [/p** [Password]]]] [/d Drive] [Value]

  • /s Computer
    Specifies the name or IP address of a remote computer (do not use backslashes). The default is the local computer. This parameter applies to all files and folders specified in the command.
  • /u [Domain\] User
    Runs the script with the permissions of the specified user account. The default is system permissions.
  • /p [Password]
    Specifies the password of the user account that is specified in /u.
  • /d Drive
    Specifies the drive for which you want to find out the availability of free space. You must specify Drive for a remote computer.
  • Value
    Checks for a specific amount of free disk space. You can specify Value in bytes, KB, MB, GB, TB, PB, EB, ZB or YB.
  • Using the /s, /u, and /p command-line options The /u and /p command-line options are available only when you use /s. You must use /p with /u to provide the user's password.

  • For unattended installations, you can use freedisk in installation batch files to check for the prerequisite amount free space before continuing with the installation.

  • When you use freedisk in a batch file, it returns a 0 if there is enough space and a 1 if there is not enough space.


To determine whether there are at least 50 MB of free space available on drive C:, type:

freedisk 50mb

Output similar to the following appears on the screen:

INFO: The specified 52,428,800 byte(s) of free space is available on current drive.

Formatting legend

Format Meaning


Information that the user must supply


Elements that the user must type exactly as shown

Ellipsis (...)

Parameter that can be repeated several times in a command line

Between brackets ([])

Optional items

Between braces ({}); choices separated by pipe (|). Example: {even|odd}

Set of choices from which the user must choose only one

Courier font

Code or program output

See Also


Command-line reference A-Z
Command shell overview