Change Disk Partition in VMWare

You can extend an existing or change an existing partition using a primary and a secondary (helper) virtual machine.

Procedure:

1. Extend the drive using the procedure in Change Disk Size in VMWare
2. Shut down the VM (Master) that has the disk to extend/alter the partition.
3. Edit the VM (Helper) settings and add the disk from the Master as another drive.
4. Start the Helper VM.
5. Login with administrative-level privileges.
6. Go to Control Panel > Administrative Tools > Computer Management > Disk Management to see the newly added disk.
7. Write down the drive letter (you will need it later).
8. Open a command prompt and type DISKPART.
9. Next type LIST VOLUME and hit enter.
10. Choose the appropriate drive letter.
11. Type SELECT VOLUME to select it.
12. Once it is selected type EXTEND to extend it.
13. If you enter LIST VOLUME again you will see the new size.
14. Exit out of the DISKPART utility.
15. If you check in the Disk Management utility you will also see that the previously unallocated space it gone and the disk is now larger.
16. Shutdown the Helper VM.
17. Edit Helper VM's settings and remove the hard disk from it.
    Make sure you only remove it and do NOT delete the disk file.
18. Power on Master VM.
19. Once it boots and you log into it you will probably see a prompt asking you to restart. Let it restart, log back in, load Disk Management and you should see that your disk has been successfully increased/partitioned.