How to extend hard drive in Windows

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Introduction

Managing disk space effectively is a crucial task on Windows Server. The File and Storage Services feature in Server Manager provides an intuitive way to resize volumes, whether you need to expand or shrink a drive. This guide walks you through the process. Use this guide after a VPS plan upgrade or after adding up to 400 GB with Drive Size Boost. EDIS Global enlarges the virtual drive; Windows does not automatically extend the existing partition.

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How to resize a hard drive

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Step 1: Access Server Manager

1. Log in to the server: Access your server via Remote Desktop or the local console.
2. Open Server Manager:
   • Click the Start button and select Server Manager.
   • If it doesn’t open automatically, search for ServerManager.exe and run it.

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Step 2: Navigate to File and Storage Services

1. In the Server Manager dashboard, select File and Storage Services from the left-hand panel.
2. Click Volumes to display all configured drives on your server.

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Step 3: Select the target volume

1. In the Volumes section, locate the drive you want to resize.
2. Right-click the drive and select:
   • Extend Volume to increase its size.
   • Shrink Volume to reduce its size.

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Step 4: Extend a volume

1. If there’s unallocated space available on the disk:
   • Selecting Extend Volume will launch a wizard that allows you to allocate the unused space to the volume.
2. Specify the amount of space to add to the volume.
3. Click OK to apply the changes.

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Step 5: Shrink a volume

1. To shrink a volume, right-click the desired drive and select Shrink Volume.
2. Enter the amount of space you want to reduce from the drive.
3. Click OK.
4. The freed-up space will appear as Unallocated Space.

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Step 6: Verify changes

1. Return to the Volumes section in Server Manager to confirm the updated volume size.
2. For a more detailed view, you can use Disk Management.

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Important notes

• Back up data: Always back up important data before making any changes to the disk.
• Unallocated space requirement: For a basic volume, free space must be on the same disk and immediately after the target volume. An intervening recovery or other partition blocks a normal extension.
• In-use volumes: If the volume is in use by active services or applications, a restart may be required.

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Common issues and solutions

1. Extend Volume is grayed out: This occurs when there’s no contiguous unallocated space next to the volume.
   • Inspect the layout in Disk Management (diskmgmt.msc). Do not delete a recovery, EFI, or data partition just to enable the button. Back up first and use a procedure appropriate to the layout. Microsoft explains the supported options in Extend a volume.
2. Limited Shrink Volume:
   • System files or reserved partitions can limit how much space you can shrink.
   • Use advanced tools like Diskpart for further management.

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Alternative tools

If File and Storage Services cannot meet your requirements:

• Use Disk Management for basic disk operations.
• Use Diskpart or PowerShell for advanced disk management.
• Consider third-party software such as MiniTool Partition Wizard or EaseUS Partition Master.