"Your Computer Does Not Have Enough Free Memory to Defrag the Drive" Error Message

This article was previously published under Q229154

Notice

If this article does not describe your hardware-related issue

SYMPTOMS

When you try to run Disk Defragmenter (Defrag.exe) or ScanDisk (Scandskw.exe), you may receive one of the following error messages:

Your computer does not have enough free memory to defrag the drive. Quit one or more programs.
ID# Defrag009

-or-

 

ScanDisk could not continue because your computer does not have enough available memory.

CAUSE

This problem may occur if either of the following conditions is true:

*           You are running Windows on a hard disk that is larger than 8 gigabytes (GB) and that has a cluster size that is smaller than 8 kilobytes (KB).

This configuration may occur if you use a third-party disk tool to create a partition on a hard disk that is larger than 8 GB and that has a cluster size that is smaller than 8 KB.

-or-

*           You are running Windows on a very large hard disk that has a default Windows cluster size of 32 KB.

RESOLUTION

To resolve these problems, upgrade your Windows operating system to Microsoft Windows XP or later.

WORKAROUND

To work around these problems, do one of the following, as appropriate to your situation:

Contact the manufacturer of the third-party hard disk tool for information about an update to the software that resolves this problem.

 Repartition your large hard disk into smaller partitions.

 

MORE INFORMATION

The standard FAT32 cluster size of 4,096 bytes applies only to hard disks that are smaller than 8 GB. The third-party hard disk tool may change the cluster size to 4,096 bytes per allocation unit.

The default cluster sizes are listed in the following table:

Hard disk size

Cluster size

512 MB to 8 GB

4 KB

8 GB to 16 GB

8 KB

16 GB to 32 GB

16 KB

32 GB and larger

32 KB

The information in this article applies to:

*           Microsoft Windows 98

*           Microsoft Windows 95 OEM Service Release 2.1

*           Microsoft Windows 95 OEM Service Release 2.5

*           Microsoft Windows 98 Second Edition

*           Microsoft Windows Millennium Edition