XP SP3 refuses to partition a removable HD

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I suspect that the Buffalo came with a single partition already created - this is the general situation. If that is the case Windows cannot be used to split that partition into 2 or more.

Check out the drive in Disk Management .....

Start > Run > diskmgmt.msc > Enter

If you see a single partition on the drive the only way of creating other (smaller) partitions is to right click on the drive in Disk Management > Delete Partition. Note that this will delete any data on the drive.

The disk space should then be seen as Unallocated. Right click in the unallocated spave > Create partition and follow the wizard through. Select the size you require for the first partition - when completed Disk Management will show the new partition and the remainder of the drive as unallocated. Repeat the procedure to create further partitions in the unallocated space.

 

I think that you must be logged in with administrator privileges to use disk management and format a drive. A limited user can't.

Christer