The same with previous versions, Windows Server 2019 C drive runs out of disk space, too. When system C drive is getting full, you'll suffer from server performance down. Furthermore, the server could stuck or restart unexpectedly if C drive is almost full, so you'd better solve this problem as fast as possible. In this article, I'll show you complete solution to fix C drive out of space in Windows Server 2019.
If system C drive is running out of space in Windows Server 2019, when you open File Explorer, C drive is shown as red instead of the default blue bar. It is designed to alert server administrator the urgent situation.
If C drive is almost full in Server 2019 (free space is less than 10%), you'll see a bubble notification of Low Disk Storage on bottom right corner.
Few people feedback that Windows calculates disk space incorrectly. In most cases, C drive full is caused by files filling up.
To completely fix C drive full issue on Windows Server 2019, you should finish 3 steps:
Windows Server 2019 provides built-in Disk Cleanup utility to help free up disk space. It runs fast and is able to delete most types of junk files, steps:
If you don't want to select files manually every time, follow the steps to clean up junk files automatically.
Freeing up disk space is useful, but it cannot reclaim large amount of free space, especially when C drive is created small, so you'd better add more free space to C drive from other partitions. Otherwise, C drive will run out of space again in a short time.
Disk partitions are allocated while installing Windows or by OEM manufacturer, but you can change partition size without losing data.
Download NIUBI Partition Editor and follow the steps in the video:
If you can add large amount of free space to C drive, you may ignore this step. The options below are useful to the server that has a small system disk.
Better than previous versions, Windows Server 2019 can change the default locations for apps, documents, music, pictures, videos and save to other place.
All programs are installed to C drive by default and many of them output files in this partition, too. The programs for videos and projects, as well as some Windows services produce many large files, so you'd better change the default output path manually to other location.
Storage Sense is new added component, which can free up disk space automatically when C drive is running out of space in Windows Server 2019. It can delete temporary files and files in Recycle Bin and the Downloads folder. To enable Storage Sense: