A. During the text based portion of the NT
installation, it is possible to create and format partitions. The maximum
size for an NTFS partition is very large (16 exabytes), however the
maximum size for a FAT partition under NT is 4GB (2GB under DOS). If you
format a partition as NTFS during NT installation, it originally formats
it as FAT and then converts it in the final stages of the NT installation,
and this you are limited to a maximum partition size of 4GB during the NT
installation.
Windows 2000 does not have this problem as it formats directly as NTFS
and so does not hit the 4GB FAT limit.
To get round this problem there are several paths of action open to you
- Before starting the installation insert the disk into an existing NT
installation and partition/format the disk using Disk Administrator and
then insert the disk into the machine to be installed
- Partition the disk into smaller partitions, if you had a 5GB disk you
could have a 1GB system partition, and a 4GB boot partition. The system
partition is the partition NT's core startup files are located,
boot.ini, ntldr and ntdetect.com (ntbootdd.sys if SCSI), and will
normally be the active partition. The boot partition is the partition
that NT stores the rest of its files, i.e. the %systemroot% directory
- Create a 4GB partition at installation time, and then extend the NTFS
partition after installation has completed
- Start Disk Administrator (Start - Programs - Administrative Tools -
Disk Administrator)
- Select the NTFS partition and holding down the Ctrl key select the
unpartitioned space of the rest of the disk
- From the Partition menu, select Extend Volume Set
Note - You cannot extend a NTFS partition if it is the boot or
system partition (as the boot/system partition cannot be part of a
volume set)
If you are performing an unattended installation it is possible to
create a greater than 4GB partition using the ExtendOEMPartition flag in
the unattended file. This key causes text-mode setup to extend the
partition on which the temporary Windows NT sources are located into any
available unpartitioned space that physically follows it on the disk.
Under the [unattended] section include the lines:
FileSystem = convertNTFS
ExtendOemPartition = 1, NoWait
The NoWait is only availble from Service Pack 1 and above.
Also if you are installing from a distribution kit you can copy the
Service Pack 3 version of setupdd.sys and replace the version in i386
folder of the NT distribution set.
Also see:
For more information see knowledge base articles:
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Viewer February 01, 2001