Which operation can you not perform on a service using Server Manager?

The operation that cannot be performed on a service using Server Manager is the ability to disable a service. While Server Manager provides functionality for managing Windows services, including starting and stopping them, disabling a service typically requires using other tools such as the Services management console (services.msc) or PowerShell commands.

Disabling a service involves modifying the startup type of the service, which is an action not available directly in Server Manager. Instead, Server Manager focuses on high-level service management tasks rather than detailed configurations.

On the other hand, starting and stopping a service are straightforward operations handled within Server Manager's interface, allowing for immediate action on service states. Changing a service's display name is also not something typically possible through Server Manager, as it often involves registry edits or using different management tools, but the function primarily associated with enabling or disabling services is not provided in Server Manager’s capabilities. Thus, the focus remains on the key management tasks suitable for higher-level administrative scenarios.