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How many columes do you have on the drive? If only C then start cmd on that machine - run diskpart.exe and use it to extend C drive.
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How many columes do you have on the drive? If only C then start cmd on that machine - run diskpart.exe and use it to extend C drive.

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Thanks both for the prompt response. I tried the PS option and it worked perfect for me. Thank you.
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Thanks both for the prompt response. I tried the PS option and it worked perfect for me. Thank you.

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Hi all.<br />
<br />
Have a 2012 R2 server core with 10GB C drive. Using Hyper-V I added an additional 5GB. Problem I have, how do I extend the drive? I can't access 'Disk Management' using remote MMC. I had previous question in EE and thought we'd fixed it, but no. I can do anything else remotely except access that MMC console, so I can't simply extend the volume. This isn't a question about not getting to MMC, I've had it with that and given up, I put that down to crappy core. <br />
I need a command that lets me see the available space. I try Get-Volume but it only shows the 10GB. And I need the command that will expand the disk to use up the other 5GB.<br />
<br />
Thanks for looking
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Hi all.

Have a 2012 R2 server core with 10GB C drive. Using Hyper-V I added an additional 5GB. Problem I have, how do I extend the drive? I can't access 'Disk Management' using remote MMC. I had previous question in EE and thought we'd fixed it, but no. I can do anything else remotely except access that MMC console, so I can't simply extend the volume. This isn't a question about not getting to MMC, I've had it with that and given up, I put that down to crappy core. 
I need a command that lets me see the available space. I try Get-Volume but it only shows the 10GB. And I need the command that will expand the disk to use up the other 5GB.

Thanks for looking

extend volume using powershell

Windows PowerShell is a task automation and configuration management framework from Microsoft, consisting of a command-line shell and associated scripting language built on the .NET Framework. PowerShell provides full access to the Component Object Model (COM) and Windows Management Instrumentation (WMI), enabling administrators to perform administrative tasks on both local and remote Windows systems as well as WS-Management and Common Information Model (CIM) enabling management of remote Linux systems and network devices.

Powershell

Hyper-V is a native hypervisor; it can create virtual machines on x86-64 systems and supersedes Windows Virtual PC as the hardware virtualization component of the client editions of Windows NT. A server computer running Hyper-V can be configured to expose individual virtual machines to one or more networks. Hyper-V Server supports remote access via Remote Desktop Connection. Administration and configuration of the host OS and the guest virtual machines is generally done over the network.