Sometimes, for some reason (apply patches, schedule maintenance, installations, etc. ) you may need to know the uptime in a Windows server.

A quick way to discover this information is by using Systeminfo. This utility provides information about a local or remote machine from the command line. And the interesting information shown is the "System Up Time" where to see how many time the server is up and running.

How to use :

• Launch the Command Prompt (Start - Run, cmd)

• Type “systeminfo“ and you will see various system information like installation date, hotfixes etc.

• The system uptime is on the “System boot time” as follows:

Also Systeminfo is helpful for Windows Vista/Server 2008/XP/2003 machine to investigate the system hardware and software information using only a command line.

Documentation : Microsoft Technet - Systeminfo