At present, the hard drive is known for having amazing space. However, irrespective of disk size, we are also surprised at its quick installation for Windows application programs and update, browser caches, and temporary files which can occupy all unused space and make our system disorderly.
If Windows 2003 Server runs a period of time, its system partition will be out of space. Without unused space on the system partition, operating system will run much slowly, and we can not store any update and application program on it. More seriously, operating system may crash if system partition is extremely short of space.
The best method for solving this problem is to expand system partition. However, when we build the Server, we have allocated space for every partition, so can we expand Windows 2003 Server system partition? The answer is, of course, yes. Here, I will introduce a method for shrinking one partition to expand the system partition under Windows 2003 Server without deletion, or reformatting

How to expand system partition under Windows 2003 Server?
Compared with Windows 2008, Windows 2003 Server does not have shrink function and expand function in disk management tool. Therefore, if we want to resize system partition, we need ask the third-party partition magic Server for help, such as MiniTool Partition Wizard Server Edition which is recommended by many professionals. With the enhanced data protection technology, adding Copy Wizard function and Partition Recovery Wizard of MiniTool Partition Wizard Server Edition, we need not worry about data safety. Furthermore, it can expand NTFS system partition without rebooting.
MiniTool Partition Wizard Server Edition can not only help us resize partitions efficiently, but also can help us realize munch many operations, thereby improving its performance.

Expand system partition under Windows Server 2003 with MiniTool Partition Wizard Server Edition
There are to methods for expanding system partition under Windows Server 2003.
1. Use another partition to merge system partition directly.
2. Shrink its neighboring partition to expand the system partition.
We just need drag the partition handle to shrink an existing partition to get some unallocated space and then use the unallocated space to expand system partition without deleting partitions, formatting partitions or rebuilding the Server.

Expand system partition under Windows Server 2003
Open MiniTool Partition Wizard Server Edition, and then we can see properties of every partition.



Then right click the desired partition and select "Move/Resize" in the shortcut menu.



Here, drag the left border rightwards. After this, there will appear some unallocated space



Here, we right click the system partition and select "Move/Resize".



In this interface, drag the right border to the right end.



At last, we click "Apply" to execute all pending operations.
Now, we have finished Windows Server 2003 system partition expansion successfully.