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Active Directory Fundamentals

How to quickly check windows server uptime

Windows Server Uptime is a crucial metric to measure the stability and reliability of a server. It shows how long the server has been running without any interruption. In this article, you will learn how to quickly check Windows Server Uptime in three different ways.

Before that, let’s understand why it is important to check windows server uptime.

Checking the Windows Server Uptime is important for several reasons:

  • Server stability: The uptime of a server indicates its stability and reliability. A server that has a high uptime is more stable and reliable compared to a server with a low uptime.
  • Maintenance planning: By monitoring the uptime of a server, administrators can plan for maintenance activities and minimize downtime. They can schedule maintenance activities during off-peak hours to minimize the impact on users.
  • Problem identification: High uptime is an indicator of a healthy server. If the uptime decreases, it may indicate a problem with the server, such as hardware failure or software issues. By checking the uptime regularly, administrators can quickly identify and resolve issues.
  • Performance monitoring: The uptime of a server is also an indicator of its performance. A server with a high uptime is likely to be performing well, while a server with a low uptime may be struggling to keep up with demand. By monitoring the uptime, administrators can identify performance issues and make necessary changes to improve performance.
  • Compliance: Some organizations may have compliance requirements that require servers to have a minimum uptime. By checking the uptime regularly, administrators can ensure that their servers are compliant with these requirements.

Now that you know why it is important, let’s dive into the three methods where you can find your system uptime metric.

Method 1: Using the Command Prompt

The first method is to use the Command Prompt. Here’s how you can do it:

  • Open Command Prompt as an administrator. To do this, press Windows key + X, then click on Command Prompt (Admin).
  • In the Command Prompt, type the following command: systeminfo | find “System Up Time”
  • The command will return the system uptime in the following format: System Up Time: <days> Days, <hours>:<minutes>:<seconds>


Check this out: You can create a custom report that includes server details and uptime information, schedule it to run regularly and keep track of server uptime alongside other Active Directory management tasks using ADManager Plus.


Method 2: Using the Task Manager

Another way to check Windows Server Uptime is by using the Task Manager. Here’s how you can do it:

  • Right-click on the taskbar and select Task Manager.
  • In the Task Manager, click on the Performance tab.
  • In the Performance tab, look for the System section, where you’ll find the Uptime under System Information.

Method 3: Using the Powershell

The last method is to use the Powershell. Here’s how you can do it:

  • Open Powershell as an administrator. To do this, press Windows key + X, then click on Windows Powershell (Admin).
  • In the Powershell, type the following command: Get-CimInstance -ClassName Win32_OperatingSystem | Select-Object LastBootUpTime
  • The command will return the uptime in the following format: LastBootUpTime : 1/30/2023 11:13:25 AM


Did you know? You can create custom scripts or PowerShell automation that retrieves server uptime information from your Windows servers and then uses ADManager Plus APIs or commands to update or report on this information in Active Directory.


These are three ways to quickly check the Windows Server Uptime. Keeping track of the uptime is crucial for server administrators, as it provides valuable information about the server’s stability and reliability. By monitoring the uptime, you can quickly identify and resolve any issues that might arise, ensuring that your server stays up and running smoothly.

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