Extend Server System Partition

How to extend C Drive in Windows Server 2012

Here's how to extend C Drive in Windows Server 2012 R2, completely Screenshots guide, and these simple 6 steps can enlarge C Drive partition size without data loss. Please click on the first screenshot to begin with.

This guide also applies to Windows 7, Windows 10 and other Windows Server OS.

shrink_partition_next_to_system_partition

Step 1: Shrink the partition next to C Drive

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Step 2: Split some unallocated space from this partition

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Step 3: Click Resize/Move Volume to resize C Drive

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Step 4: Extend C Drive by dragging the handle to right

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Step 5: Stop dragging when you have enough space

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Step 6: Click Commit in the main interface

Tips:

  1. On step 2, you can drag the handle on the right side or the left side, both handles works the same, the purpose here is to make unallocated space at the head of the bar, the partition at the end, so we can directly type the specific size in the "Unallocated space before" input field
  2. Step 4, and Step 5, you can use the same method, type the specific size if you want an Integer size of the capacity
  3. Step 6, all the operations are now pending unless you click the Commit button in the main interface, you may have noticed that there're two kinds of icons in front of each operation in the "Pending operations" section, the "check" icon mean this operation will not reboot the system, while the circle icon does
  4. 60GB is enough for C Drive for most of us, but feel free to add more if you're a developer
  5. If you don't know how many partitions should create, simply make a D Drive to store personal stuff, leave C Drive to only system-related files and programs.

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