In order to manage Share folders, local user or group, Task Scheduler, Disk Management, etc. you need to go to Computer Management menu.
The ways to go to Computer Management in Windows Server 2016 :
1. From Start menu, choose Server Manager.
In Server manager Dashboard choose Tools menu.
Then choose Computer Management.
2. The second way, using Search menu.
In the Search column, type the keyword: Computer management, then you will see the Computer management in the best result.
