Click OK to close the window.īefore deleting anything always double check that you really don’t need the files any more and it’s safe to delete. Making these changes will allow you to see all the files on the server including system files and folders which could be taking up unnecessary space. Uncheck Hide protected operating system files and Hide extensions for known file types. To confirm you can see these open Windows Explorer and go to Folder & Search Options.Ĭlick on the View tab and select Show hidden files, folders, and drives. How to See System Filesīefore searching for additional space you need to ensure that you Windows Explorer will display hidden system files and file extensions. Some paces to check are obvious such as cleaning up log files while other paces are not as obvious such as finding system temp files. Fortunately there are quite a few places to check on a Windows server to free up additional disk space. However, low disk space can also impact performance sometimes even causing critical processes such as backups to fail. When it comes to improving Windows server performance, most sysadmins focus on hardware such as adding CPUs or RAM.