By AOMEI / Last Updated August 7, 2020

Dynamic disk management overview

Dynamic disk (alias, software RAID) could bring the higher efficiency to disk usage compared with basic disk. With dynamic disk, you can make Simple Volume, Spanned Volume, Striped Volume, Mirrored Volume and RAID5 Volume. The volume of each type has its own advantages and disadvantages.

How to shrink these volumes to release some unallocated space? First of all, you need to be aware: the Windows XP, 2000 and 2003 built-in Disk Manager can not accomplish the operation of shrinking dynamic volume. However, the professional software: AOMEI Partition Assistant Server can perform the desired operation on dynamic disk management for Windows Server 2003. This software comes with the feature called Dynamic Disk Manager, which can extend, shrink and resize, create, delete dynamic volumes.

Shrink dynamic volume for Windows Server 2003

Generally, when a dynamic volume is larger enough, you could need to shrink it to release unallocated disk space. The step by step guides with the software screenshots will be introduced to help you understand clearly.

Step1:Run AOMEI Partition Assistant Server Edition, the dynamic disk information will be analyzed automatically and shown out in the main interface. Then click the "Dynamic Disk" to launch Dynamic Disk Manager tool.

Launch Ddm

Step2: In the pop out AOMEI Dynamic Disk Manager Server Edition window, right click the E: volume that need to shrink, select "Shrink Volume" option in the drop-down menu as the following screenshot:

Shrink Volume

Step3: Then, you will see the following windows. Drag the circle handle leftwards to reduce the capacity of the E: drive. And then click "OK" to confirm.

Shrink Selected Volume

Step4: Finally, an operation will be added to the pending operations list, then you could click "Commit" or “View Pending Operations” on the toolbar to view the pending task or save the operation to physical disk.


When commit the operation to disk, this may take some time according to the size of dynamic volume, please be patient and do not cancel the operation in the process. After completing the operation, the E: drive will be reduced to 22.53GB.