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Server 2012 R2 - Error Extending Volume: Size Not Supported


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#1 Razoe

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Posted 09 August 2015 - 10:27 PM

Hey Guys, so i got a file server, running Server 2012 R2.

 

Its a Virtual Machine, created using Hyper V,

 

for some reason the C drive size was only 9GB or so, and then there is a DATA drive thats about 1TB large(R:).

 

The C drive is almost full, so i cant install anything..... i shrinked the Data drive by about 50 gigs, and planned to give it to the C drive, but when i try to extend it using server manager > file and storage services > volumes

 

i get the error " Error Extending Volume: Size Not Supported".

see attached image for screenshot,

 

 

also a side note, i cant delete the R partition either, i get the following error " Error deleting volume: the operation is not allowed on a system or critical partition"

 

 

HELP PLEASE~

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#2 Wand3r3r

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Posted 10 August 2015 - 11:53 AM

https://technet.microsoft.com/en-us/library/Cc771473.aspx

 

"by extending them into adjacent unallocated space on the same disk"

failed due to no unallocated space.

 

You also have the issue of doing this from a virtual.  I suspect R: is where the virtual is running from.  This desired operation is like doing leg surgery on a runner running a race.



#3 sflatechguy

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Posted 23 August 2015 - 01:31 PM

You will most likely have to shut down the VM and then increase the size of the C: drive -- not sure you can do that on the fly while the VM is running in Hyper-V. Reboot the VM and then reallocate the new space.






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