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 »  Home  »  Windows Vista Troubleshooting Page 4  »  Upgrade has Been Disabled while Installing Windows Vista
Upgrade has Been Disabled while Installing Windows Vista
By  Super Admin  | Published  12/10/2006 | Windows Vista Troubleshooting Page 4 | Rating:
Upgrade has Been Disabled while Installing Windows Vista

This problem can occur for any of the following reasons:

You are upgrading a version of Windows that is installed on a FAT32 Volume. For more information, see the "Convert the hard disk partition from FAT32 to NTFS" section in the Resolution section.
You are upgrading a version of Windows that is installed on a partition that is smaller than 20 gigabytes (GB).
You are upgrading a version of Windows that is installed on a partition that has less than 15 GB of free disk space.
The installed operating system does not support an upgrade to Windows Vista. For more information, see the "Run Setup from within a version of Windows that supports upgrading to Vista" section in the Resolution section. 
The version of Windows that you are upgrading does not meet the software update requirements. For more information, see the "Run Setup from within a version of Windows that supports upgrading to Vista" section in the Resolution section. 
You are upgrading a version of Windows that is using a different locale (language). 
You started setup from safe mode in the version of Windows that you are upgrading. Restart the computer in normal mode to resolve this issue.
You started the computer from the Windows Vista media. Restart the computer from an installed supported operating system to resolve this issue.
No operating system is currently installed.

Convert the hard disk partition from FAT32 to NTFS
Windows Vista requires that the hard disk partition (disk volume) you are installing Vista into is formatted by using the NTFS file system. To convert the hard disk partition to NTFS, follow these steps:

Note Corruption and data loss are unlikely when you convert the partition from FAT to NTFS. However, we recommend that you back up all data before you do this. We also recommend that you verify the integrity of the backup.

To convert the partition to NTFS, follow these steps:

1. Click Start, click Run, type CMD, and then click OK. 
2. At the command prompt, type convert driveletter:/FS:NTFS. For example, if you want to convert drive C, type the following command at the command prompt, and then press ENTER:
convert C:/FS:NTFS
3. When the conversion is complete, restart Windows Vista Setup. 
Note When you run the convert driveletter:/FS:NTFS command, you may receive the following error message:
Convert cannot gain exclusive access to the drive_letter:, so it cannot convert it now. Would you like to schedule it to be converted the next time the system restarts (Y/N)?
You may receive this error message under any of the following conditions:
Condition 1
You run the convert command when the current folder is on the partition that is to be converted. For example, you type convert C:/FS:NTFS at the command prompt.

To resolve this issue, use one of the following methods: Click Yes in the error message, and then restart the computer. The partition is converted when the computer restarts.
Switch to a folder on another partition, and then retype the command. For example, type the following commands to use drive D. Press ENTER after each command.
d:
convert C:/FS:NTFS

Condition 2
A file is open on the partition that is to be converted.

To resolve this issue, use one of the following methods: Click Yes in the error message, and then restart the computer. The partition is converted when the computer restarts.
Exit every program that may be using files on the partition.

Note These programs may include programs on other computers that use a network connection to open files on the partition.

Sometimes, the open files may include a paging file. In this case, click Yes in the error message, and then restart the computer.

Condition 3
You try to convert the partition on which the current operating system is running. For example, the WINDOWS folder and the WINDOWS\System32 folder are on drive C, and you type convert C:/FS:NTFS.

This partition is known as the boot partition. You cannot convert the boot partition when the operating system is running.

To convert the boot partition, use one of the following methods:

Click Yes in the error message, and then restart the computer. The partition is converted when the computer restarts.
If Windows is also installed on another partition, restart the computer by using the installation of Windows that is on that partition. Then, convert the partition that Windows is no longer using.

Run Setup from a version of Windows that supports upgrading to Vista
Start the Vista Setup program from the version of Windows that you are upgrading.

For more information about which versions of Windows can be upgraded to Windows Vista, click the following article number to view the article in the Microsoft Knowledge Base:
927273 (http://support.microsoft.com/kb/927273/) Windows Vista Upgrade Paths

Run Disk Cleanup and try to upgrade again
If you are upgrading a version of Windows that is installed on a partition that has less than 15 GB of free disk space, try running Disk Cleanup. You can also try to free space by manually deleting files, by temporarily moving files off the partition, or by uninstalling programs that you can later install.

For more information about how to run Disk Cleanup, click the following article number to view the article in the Microsoft Knowledge Base:
310312 (http://support.microsoft.com/kb/310312/) Description of the Disk Cleanup tool in Windows XP

Perform a clean installation of Windows Vista
You cannot upgrade a version of Windows that is installed on a partition that is smaller than 20 GB. To install Windows Vista, you must perform a clean installation.

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Comments
  • Comment #1 (Posted by an unknown user)
    Rating
    Clarity solved the problem - insufficient free disk space Thanks!
     
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