If you created too many drives when installing Operating System, you can merge partitions together without reinstalling OS. When a drive is getting full, you may merge it with another one that has plenty of free space, however, it is not suggested to merge C and D drive. In this article, I'll show you two methods to combine partitions in Windows Server 2019.
In Windows Server 2019, you can merge 2 partitions without software under some particular condition. There's no Merge Volume function in native Disk Management, but another Extend Volume function can be used to merge volumes indirectly.
Note: When merging 2 partitions, one of them will be deleted, so remember to transfer or back up files before merging partitions.
Steps to merge partitions in Server 2019 Disk Management:
It is not difficult to merge Server 2019 partitions, but there are many steps. The most important, there are some restrictions:
As the most popular Windows partition software, NIUBI Partition Editor helps you merge partitions, resize and manage disk drives easily. Comparing with Disk Management, it has advantages while merging two partitions on Windows Server 2019:
How to combine partitions in Windows Server 2019 with NIUBI:
Watch the video how to combine partitions on Windows Server 2019:
No matter you use Windows Disk Management, NIUBI Partition Editor or any other tools to merge partitions in Windows Server 2019, there is a disadvantage: one of the drives will be deleted. It is okay to merge two data volumes, but it is not a good idea to merge D to C drive. Programs and some Windows services are installed to drive D, so they'll stop working after removing this partition.
Instead, you'd better shrink D to release free unused space, then add Unallocated space to C drive. In this way, no partition will be removed, Operating System, programs and associated settings, as well as anything else keep the same with before (except partition size).
Follow the steps in the video to extend C drive in Server 2019 by shrinking other data volume:
Besides merging partitions in Windows Server 2019/2016/2012/2008/2003, NIUBI Partition Editor helps do many other disk partition management operations. Better than other tools, it has advanced Virtual Mode, Cancel-at-well, 1-Second Rollback technologies and unique file-moving algorithm to help manage partitions much more safely and faster.