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April 12th, 2025 17:21
Unable to Shrink Drive
I am trying to shrink my main partition by 10 gigs (Pls don't ask why) and when trying to do it, I keep seeing that I have 0 mb available for shrink space, but my drive has about 100 Gigs of free space on it, can someone please help me? 
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Chino de Oro
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April 12th, 2025 23:19
You can try some suggestions at this link https://www.diskpart.com/articles/shrink-volume-not-enough-space-4348.html
Boot volume (C drive) could be shrunk during drives cloning using Macrium Reflect. If applicable, you may consider to look into it as well.
Real_Trex24
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April 12th, 2025 17:57
Update: I am working on disabling BitLocker which will take hours. I will get back here once it is Decrypted.
Real_Trex24
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April 12th, 2025 21:12
Update: That did not work.
Chino de Oro
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April 12th, 2025 22:12
You won't be able to shrink your C drive because currently, the size of available shrink space in MB is 0.
Real_Trex24
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April 12th, 2025 22:36
@Chino de Oro why is this? I have a good 100 gigs of unused space.
Chino de Oro
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April 12th, 2025 22:59
Shrinking space would take the end partition of an existing volume to create new unallocated space. It will be an adjacent, contiguous space on the same disk. Since you are doing it on a boot drive, am guessing that there are immovable system files at the very end of the volume. Therefore, the calculation (on line 2) from Disk Management was zero MB available to shrink.
Real_Trex24
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April 12th, 2025 23:00
@Chino de Oro Okay. Is there any way around this?