Error extending volume: Size Not Supported, During extending Operating System partition In Windows Server 2012

In this article, I will solve the below Windows Server Issue

Error extending volume: Size Not Supported


Scenario

When I tried to Extend Volume for a specific drive in Windows Server 2012 R2 by opening

  • Server Manager > File and Storage Services.

Open server manager - file and storage services

  • Navigate to Disks > (I have unallocated free space (19.5GB)).
  • Right click on C Drive > Select Extend volume.

Expand Volume from server manager in windows server

  • The following dialog will be shown to set New size.

extend volume in windows server

  • When I set the New size and clicked OK, I got “Extend failed” as shown below:

extend failed in windows server

  • I clicked on Extend failed to find out the reason, I got

Error extending volume: Size Not Supported

Error extending volume: Size Not Supported


Cause Continue reading Error extending volume: Size Not Supported, During extending Operating System partition In Windows Server 2012
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