# !can_write_kdump

The !can_write_kdump extension verifies that there is enough disk space on the target computer to write a kernel dump file of the specified type.

``````!can_write_kdump [-dn] [Options]
``````

## Parameters

-dn
Specifies that the file system on the target computer is an NTFS file system. If this parameter is omitted, then the amount of disk free space cannot be determined, and a warning will be shown. However, the amount of space required will still be displayed.

Options
The following options are valid:

-t
Specifies that the extension should determine if there is enough space for a minidump.

-s
Specifies that the extension should determine if there is enough space for a summary kernel dump. This is the default value.

-f
Specifies that the extension should determine if there is enough space for a full kernel dump.

### DLL

 Windows 2000 Kext.dll Windows XP and later Kext.dll

## Remarks

If no Option is specified, then the extension will determine if there is enough space for a summary kernel dump.

In the following example, the file system is not specified:

``````kd> !can_write_kdump
Checking kernel summary dump...
WARNING: Can't predict how many pages will be used, assuming worst-case.
Physical memory: 285560 KB
Page file size: 1572864 KB
NO: Page file too small
``````