Here goes different ways to check the Remote Server Uptime from Command Line -
This can be downloaded from the Microsoft website. However this helps only to check your local server uptime.
Go to command prompt and run this command. If you are using 2008 Server, then right click on the Command Prompt Icon, 'Run as Administrator'
PSEXEC will be used to get the remote server uptime information in the batch files, VB scripts.