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You can extend a basic disk as long as the space is contiguous. 
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You can extend a basic disk as long as the space is contiguous.

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I have a server with 300GB SAS RAID 1 drives.<br />
Drive C: is about 60GB.<br />
Drive D: is about 180GB<br />
Drive 0 is set to basic disk.<br />
&nbsp;I have 40GB of disk space that is unallocated that I want to add to drive D:<br />
Do I need to convert Drive 0 to dynamic before I can add that 40GB to drive D: ?
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I have a server with 300GB SAS RAID 1 drives.
Drive C: is about 60GB.
Drive D: is about 180GB
Drive 0 is set to basic disk.
 I have 40GB of disk space that is unallocated that I want to add to drive D:
Do I need to convert Drive 0 to dynamic before I can add that 40GB to drive D: ?

Windows 2008 - adding unallocated disk space to an existing volume

Windows Server 2008 and Windows Server 2008 R2, based on the Microsoft Vista codebase, is the last 32-bit server operating system released by Microsoft. It has a number of versions, including including Foundation, Standard, Enterprise, Datacenter, Web, HPC Server, Itanium and Storage; new features included server core installation and Hyper-V.