So you”ve used DiskPart many times to extend data drives, but are irritated at the limitation of not being able to extend boot partitions.  Well no more, Dell have a utility that can extend all partitions, including boot partitions.

The utility is called ExtPart and can be downloaded here, with the release notes being available here.

It is really simple, just like DiskPart.  After extending the boot volume by adding more disks in the physical world or by extending the vmdk size in the virtual world (see this article for more information) it is a case of a single line in the command prompt.  Simply run ExtPart from the command prompt and type something like:

extpart c: 1024 – where c: is the drive to be extended and 1024 is the value in mb that you wish to extend into.

Genius!

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