General Windows. Hi All! Thanks, CSV FILE Contents ServerName, Description SVWQQQQQ,Mailxtender SVWPPPPPP,Mailxtender SVWRRRRRR,Mailxtender SVWXXXXX,Enterprise Vault SVWTTTTT,Enterprise Vault SVWYYYYY,Enterprise Vault SVWIIIIIIIIIIII,Enterprise Vault, Import-Csv C:\Servers.csv $Output = foreach($Server in $Servers){ Get-CimInstance $Server.ServerName | select csname,lastBootupTime | Sort-Object -Property lastBootupTime } $Output | Export-Csv C:\Result.csv -NoTypeInformation. .DESCRIPTION Displays the current uptime and last boot time for one or more computers by querying CIM data. I see that CIM cmdlets use the WMI classes (like Windows32_OperatingSystem ), so what is the ddifference between WMI query and CIM query? Execute it in Windows PowerShell. Login to ADAudit Plus web console as an administrator. Get-CimInstance -ClassName win32_operatingsystem -ComputerName ED-EX2K10-CAH | select csname, lastbootuptime So I would like to find out the reboot as soon as possible. Remote computers are queried via WINRM using CIMInstance. 001 002 003 004 005 006 007 008 009 010 011 012 013 014 015 016 017 018 019 020 021 022 023 024 025 026 027 028 PowerShell provides an easy way to accomplish this with the Get-WMIObject commandlet, In this post we will discuss how you can get both the last boot time as well as the current up time for a computer. $Servers = Get-Content C:\systems.txt foreach ($Server in $Servers){ Get-CimInstance -ClassName win32_operatingsystem -ComputerName $Server | select csname, lastbootuptime }, Hi Adil. The computers that are out of sync is a valid point but the difference in time zones won’t matter since it’s pulling the times from the computer you’re running it on (and converting time zones to local time) I just tested it as well with a remote computer in Europe (I’m in the US) and last boot is showing as my local time. Topics: 9. You will need to use secure shell. How we can get the users activity logs like how many time they logged in etc in terminal server. In my current role, I am supporting infrastructure related to Windows and VMware datacenters. Putting It All Together - the Get-Uptime.ps1 Script The examples shown in Figures 1 and 2 show how to get the computer’s last boot time and show as an easy-to-read string, and Figure 3 shows how to get a remote computer’s last boot time. Now let us try combining both the machines and check. txt file contains a List network shares from remote computer using powershell you can list the network shares from remote machine by giving name of the remote computer through argument syntax computername. If you have huge list, you can also make a text file and apply a foreach loop and get the information. PSRemoting. IIS related… or not! Steps to obtain the last boot time of remote computers using PowerShell: Identify the domain from which you want to retrieve the report. Category Scripting Techniques. This cmdlet returns the time elapsed since the last boot of the operating system. Enterprise Daddy. The popular Sysinternals Suite has a command called PSInfo that can pull the same … Get OS version of a remote computer. Can anyone please tell if it is possible to get the last boot time, uptime etc details of a remote system without an admin account using c# or vb or any command line tool. PowerShell Snippet: Getting a Remote Computers Uptime Posted by Phil Eddies | Sep 12, 2016 | Scripts , Windows | 0 | The below bit of PowrShell will return the uptime and last boot time stamp of a remote Windows computer. It has nothing to do with a user. Hey everyone, hope you had a great 2015 and I am back with I hope to be weekly updates for everyone at PowerShell.org. Not sure what the issue is. Last boot-up time of your Operating System; System Drive of your Operating System ; Operating System Directory; Machine (Server) Name; IMPORTANT: We need to use Get-CimInstance CmdLet instead of Get-WMIObject CmdLet since later is no longer supported in PowerShell versions 6 and 7. Unfortunately, you can have to manually add the description field to the new file. There are many ways to get the last boot time: systeminfo | find /i "Boot Time" would do the trick, for example (in human readable format). Powershell |Quickly get the last boot up time of a remote Windows machine Posted on April 8, 2019 by nampt1981 in Powershell Get-WmiObject Win32_OperatingSystem -ComputerName | fl LastBootUpTime Today we-ll retrieve a lot of useful informations about an operating system on a remote computer, such as the uptime, the last boot time, the languages, the install date, the OS version, the build, the service pack, and the OS architecture. Lets see the properties associated with both the cmdlets and which will help us get the desired output. Welcome › Forums › General PowerShell Q&A › Get last reboot time for multiple computers/servers. It should be pretty simple. Step #1: The first step you need get the required WMI Object Class and its property for the last boot-up time. I will show you how to get both the last boot time as well as the current up time for a computer. Rank: Member. Here we employ the versatile PowerShell cmdlet called GWMI (Get-WmiObject). Category Scripting Techniques. I am Adil Arif, working as a Senior Technical Support Engineer at Rubrik as well as an independent blogger and founder of Enterprise Daddy. Examples Example 1 - Show time since last boot So I decided to find what was the last time the computer was up which would give me some information. Let’s consider all methods on how to check Windows uptime. Something to do with the date conversion. January 23, 2020 January 20, ... Use the following for getting LastBootUpTime for a remote system. Identify the primary DC to retrieve the report. What a surprise. Just assign the contents of the text file to a variable. 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Favorites Add to favorites. You can google for more deeper information. Table of Contents. Get-WmiObject Win32_OperatingSystem -ComputerName "Remote_Machine_Name" | Select PSComputerName, Caption, OSArchitecture, Version, BuildNumber | FL Get OS details for a list of remote computers using PowerShell… To get info on installed service packs on the remote four computers. Sub category. To dot source the script do the following: Copy the script above and save it any location. Get Last Reboot or Computer Up Time With PowerShell. Summary: Learn how to get the last boot time for your computer.. How can I find the last boot time for my computer by using Windows PowerShell? it works only with local systems not remote. https://teusje.wordpress.com/2012/09/11/windows-server-logging-users-logon-and-logoff-via-powershell/, I have a CSV file with 2 columns, “ServerName” & “Description”. Applying more filters, like OU or 'User name starts with' will increase the LDAP query complexity, Your download is in progress and it will be completed in just a few seconds! just wanted to know the script for checking if we can RDP the server. r/usefulscripts: Bash, batch, powershell, perl etc... Press J to jump to the feed. Hi Aditya, Thanks for stopping by, I just came across this yesterday. Sysinternals. So I want to start off by saying thank you to all you guys for being supportive and visiting the website. Get-CimInstance -ClassName win32_OperatingSystem | select csname, lastbootuptime. Home ; Advertise; About; Contact; Windows Server. Decipher the Last Boot Time Result; Discover LastBootUpTime for Remote Computer; Calculate Your Computer’s UpTime ; Create PowerShell Function Called Get-UpTime ♦ Simple PowerShell LastBootUpTime Script. Really helpfull. Sub … Let us see the help file now. If its multiple servers how can I add server.txt file in first command. Get-ADComputer will not return DCs. (Get-WMIObject Win32_OperatingSystem).LastBootUpTime Get-WmiObject Win32_OperatingSystem -cn (cat c:\servers.txt) | Select __SERVER, @{N='UpTime';E={(Get-Date) - $_.ConvertToDateTime($_.LastBootUpTime)}} It is just one line of PowerSHell that gets the uptime from a list of servers. When troubleshooting a server or an end user, most IT admins want to know when the machine was last rebooted to take further steps. To get all of those informations, we’ll use the “Win32_OperatingSystem” WMI class. The name of this function will be Get-SystemInfo. Solution 1 – Get The Last Boot-Time From The Local Machine. I hope this was informative and thank you for reading! Another handy piece of information related to patching is last boot up time. The above Powershell script will pop up and prompt you for the server name and then export it to your desktop. Share +1. Also, like the wmic command, you can subtract the last boot time … Be aware of different languages here, in germany for example you would have to grep for "Systemstartzeit". Sam John. Today we-ll retrieve a lot of useful informations about an operating system on a remote computer, such as the uptime, the last boot time, the languages, the install date, the OS version, the build, the service pack, and the OS architecture. Powershell Get Computer Last Boot Time is a simple PowerShell function that reports a computer's last boot time. You may require logic to take place around last boot time or computer up time. Posts. Otherwise, I am sure it pulls the last uptime of a system from WMI. Pin. Anyways moving on, let us see what we will be using to achieve this and how we can use this in our day to day activities if need arises. Points: 0. Machine_List_Last_Reboot.ps1. It is going to be interesting and you will be surprised how easy the administration task is done by Powershell. Dear Adil, Can u please elaborate how can I use foreach loop for multiple system which names are stored in a file (e.g. Just for sharing, found this on my repro, written a loooong time ago, using WMI. Powershell script to check Last Reboot Time on a list of machines in a text file Powershell script to check Last Reboot Time on a list of machines included in a text file and export the report as a CSV file.##### Download. In one of my previous blog posts PowerShell: Documenting your environment by running systeminfo on all Domain-Computers I have described how to list important system information of all Domain Computers by running systeminfo. Powershell Get Computer Last Boot Time is a simple PowerShell function that reports a computer's last boot time. Get-HotFix -Description "Service Pack" -ComputerName pc1, pc2, pc3, pc4 PowerShell - getting Service pack info. The third command converts the last boot time into a DateTime object, and the last command outputs the last boot time for the computer. Uptime is the measure of the uninterrupted time that an operating system experiences since the last boot. Restart-Computer. Or perhaps you may simply want to display it to the user. Free. Powershell Get Computer Last Boot reports for a single or multiple computers. Hi Prateek, CIM Classes are the parent classes on which WMI classes are built. Compile the script. How can system administrators checkthe last time users initiated a reboot from a remote location? Get-CimInstance Win32_OperatingSystem | Get-Member. I have a PC on remote connected by network, but it occasionally crashes or is restarted by remote users. If you notice, in the first example the output of LastBootupTime was showing a value which did not make sense to us. .\_. Share. Uses the LastBootUpTime property found in the Get-WmiObject Win32_OperatingSystem. Last Reboot Time. Remember that WMI is CMI and CMI is WMI. Ratings . I wrote up a quick article on how to retrieve the last reboot time or the current up time for any local or remote computer. By Patrick Gruenauer on 2. I will also take advantage of the large amount of information this provider brings back to … To obtain the report in a different format, modify the script accordingly. I’m really a creative person. I would like to find for the last 2 weeks how long i have spent in front of my computer roughly. Here is how to retrieve last boot up time using PowerShell and good old WMI. 5 Star (3) Downloaded 8,097 times. http://www.bryanvine.com/2015/06/quick-script-test-pingrdp-check-if.html. CIM Classes got introduced in PowerShell 3.0, which leverages WS-Man protocol instead of native DCOM protocol used by WMI. Here is what I’m using: Get-WmiObject win32_OperatingSystem -computer (Get-Content C:\SWSetup\wmiInventory.txt) | Select csname, @{label=’LastBootUTime’ ;expression={$_.ConvertToDateTime($_.LastBootUpTime)}} | Out-GridView. Let me tell you how I got the idea of writing this article, when I was working on an issue and I realised that the computer was not responding through the Remote Desktop and I was trying to restart the machine remotely, but was not sure if the commands were actually executing on the other end. Unlike Linux/Unix, Windows doesn’t have a native uptime command. It's difficult to change date formats, and apply different time zones on the date results. I think PS may be a good choice with some scripts so that I could make remote call to get the last reboot timestamp information. . Be aware of different languages here, in germany for example you would have to grep for "Systemstartzeit". Just a comment to say ‘nice site’ and to keep the articles coming . 36 thoughts on “ PowerShell: Get-ADComputer to retrieve computer last logon date – part 1 ” Ryan 18th June 2014 at 1:42 am. Something like the below. Here is a simple and short command that will help you tell the last boot time. Enable PSRemoting How To Enable Powershell Remoting via Group Policy How to Run PowerShell Commands on Remote Computers Uses the LastBootUpTime property found in the Get-WmiObject Win32_OperatingSystem. If you face any issues, download manually. Identify the LDAP attributes you need to fetch the report. Hence, we have used ConverttoDateTime to make it human readable. Here is a simple and short command that will help you tell the last boot time. wmic /node:"" OS get LastBootUpTime Double quotes are important for the WMI method. Get-Uptime [] Get-Uptime [-Since] [] Description. Using the System Information tool, you can quickly find out the last time your system rebooted in an easy-to-read format. The prerequisite is that Powershell Remoting needs to be turned on the remote computers so that we can execute the commands successfully on them. The computers that are out of sync is a valid point but the difference in time zones won’t matter since it’s pulling the times from the computer you’re running it on (and converting time zones to local time) I just tested it as well with a remote computer in Europe (I’m in the US) and last boot is showing as my local time. Home. Figure 3 - Getting the last boot time from a remote computer The first command in Figure 3 gets a PSCredential object into the $cred variable, and the second command gets the CIM datetime string containing the last boot time for the computer server1 (notice the -ComputerName and … You can append any number of machines as you saw here. It is difficult to export the report in file formats other than CSV. Press question mark to learn the rest of the keyboard shortcuts expert-advice.org. Uptime is the measure of the uninterrupted time that an operating system experiences since the last boot. Replies: 12. Interests include Gadgets, Android and virtualization. In this article, we will be learning how to retrieve disk space of remote computers using Powershell. I am writing this post after a long gap between the articles due to the busy schedule that I am having and I have also been planning new things to get more information to you guys. A single pane of glass for complete Active Directory Auditing and Reporting, PowerShell-scripting, and simplify AD change auditing, Active Directory alerts and email notification, All Windows Workstations change audit reports, All Windows File Servers change audit reports, SharePoint Management and Auditing Solution, Integrated Identity & Access Management (AD360), Real-time Log Analysis and Reporting Solution, Comprehensive threat mitigation & SIEM (Log360). There are several ways to get the last restart time of a computer. I have just noticed there is a new book – Windows PowerShell 2.0 Bible on Amazon – great resource for your daily use. To find the last logon for a specific computer just query the computers security log for event 529(XM-2003) or 4672 Get the newest one. As mentioned, we will use CIM_OperatingSystem CIM class and Get-CimInstance CmdLet to get the Last Boot Up Time for the local machine: Get-CimInstance -ComputerName localhost -Class CIM_OperatingSystem -ErrorAction Stop | Select-Object CSName, LastBootUpTime. So I have this script which I was hoping to use to return the last reboot time of PC's in my AD AND the currently logged on user; Reboot. If a server had just rebooted during patch night, more likely than not, it had already completed some kind of patching activity. All Rights Reserved. In Windows PowerShell 3.0, use the Get-CimInstance cmdlet, and select the LastBootUptime property from the Win32_Operatingsystem WMI class:. Get-WmiObject -Class win32_operatingsystem -Property LastBootUpTime. We can easily get the OS version details of a remote computer by adding the parameter -ComputerName to Get-WmiObject. The following is a comparison between obtaining the last boot time of remote computers report using Windows PowerShell and ADAudit Plus: There are three possible ways for employees to connect to the organization's network from a remote location: Here are some of the obvious drawbacks of using native tools like Windows PowerShell: ADAudit Plus will generate the last boot time of remote computers report in a simple and intuitively designed UI. 2017-10-12 at 14:14. PowerShell script needed - asap. Sure - using PowerShell to get computer details from Active Directory has been done to death. In this example I’ll save it to my C:\_Scripts folder. Within the Powershell Window type: . Ratings . The second way is using the WMI Objects if you are using Powershell 2.0. Unlike Linux/Unix, Windows doesn’t have a native uptime command. Skip to content. Get the Last Boot Time Using PowerShell. So the final command that we will be using as shown below: Get-CimInstance -ClassName win32_OperatingSystem | select csname, lastbootuptime. Blogger. Powershell Get Computer Last Boot reports for a single or multiple computers. PowerShell Snippet: Getting a Remote Computers Uptime Posted by Phil Eddies | Sep 12, 2016 | Scripts , Windows | 0 | The below bit of PowrShell will return the uptime and last boot time stamp of a remote Windows computer. In this blog post I am going to play with WMI Objects on the local computer and on remote computers. Hi, I saw this on the … Native tools like Windows PowerShell and third-party tools like ADAudit Plus can provide insights to identify the same. The report will be exported in the given format. Using PowerShell, we can check windows reboot time and the last boot was from Fast Startup, Full Shutdown, or Hibernate. Apply LDAP Filter to get specific computers. Below command is giving uptime in eventlog message for a day but it is showing multiple uptime in seconds. We can run this script only from the computers which has Active Directory Domain Services role. Tweet. And that’s it for getting the Powershell last reboot status. It will return all workstations. The last logon from aD is the last time the computer account authenticated on AD. Get-CimInstance -ClassName win32_operatingsystem -ComputerName ED-EX2K10-CAH | select csname, lastbootuptime. Author. So today we will see how to get the last boot time of remote computers using Powershell. To get all of those informations, we’ll use the “Win32_OperatingSystem” WMI class. Sup? The above will fetch the information related to the local computer and below on the remote computer. Here's a simple function to get a "readable" value of the uptime for the local computer, and the last boot date/time. Participant. Using CMD & PowerShell to Find Last Boot Time Remotely. This topic has 3 replies, 2 voices, and was last updated 5 years, 3 months ago by Daniel Krebs (Dan1el42) Moderator. Any help is highly appreciated. On Windows, you can get the computer uptime value in several different ways: from the GUI, command prompt, or PowerShell. ... Or the server is somehow blocking the remote query. Good luck! Favorites Add to favorites. Open PowerShell from the start menu and Copy Past the following Commands into PowerShell Window and hit enter. This might be exactly what you are looking for. Posted January 15, 2019 October 11, 2020 admin. PS C:\> Get-CimInstance -ClassName win32_operatingsystem | select csname, lastbootuptime Get-WinEvent -ProviderName Microsoft-Windows-Kernel-boot -MaxEvents 10 | Where-Object {$_.id -like “27”} Or The below script helps you find the uptime or last boot time of a computer or multiple remote computers, generally, system administrators check the uptime of servers and desktops on daily basis to see the reboot cycle is working or not. WMI. On Windows, you can get the computer uptime value in several different ways: from the GUI, command prompt, or PowerShell. Open PowerShell from the start menu and Copy Past the following Commands into PowerShell Window and hit enter. Last reboot time also requires only two lines of code. First let us see the Get-CimInstance using the Win32_OperatingSystem class. PS Fab:\> Windows PowerShell scripts, functions, techniques, etc. # Remote Computer Get-CimInstance -ComputerName -Namespace root\cimv2 -ClassName Win32_OperatingSystem | … The Get-Uptime cmdlet was introduced in PowerShell 6.0. The above will fetch the information related to the local computer and below on the remote computer. The help desk software for IT. September 7, 2015 at 12:31 am #29417. The following powershell commnd get list of computers based on operatingSystem that contains the value ‘Windows 7’. Here's a simple function to get a "readable" value of the uptime for the local computer, and the last boot date/time. Step #1: The first step is to get the required WMI Object Class and property for the last boot-up time. Also, like the wmic command, you can subtract the last boot time with the current time to determine the number of days, hours, and minutes the device has been running. Now let us see how to get this information using Get-WMIObject. First off thank you for reading this.This is a simple and short command that will be able to help you tell the last boot time without remoting into a server and running cmd or f... Home. To Manage the Windows infrastructure both CIM and WMI classes are necessary. Step #2: The second step is to assign the object a variable and then convert the property of LastBootUpTime to a Date and Time object. Instead if i can get first boot time and last shut down time i can easily calculate it. Viewing 3 reply threads. PowerShell provides an easy way to accomplish this with the Get-WMIObject commandlet, In this post we will discuss how you can get both the last boot time as well as the current up time for a computer. Thank you for posting this as it has the last bit I needed. Windows. 5 Star (3) Downloaded 8,097 times. You will also understand how to build a PowerShell script to execute the command on multiple computers at the same time. # Check Windows Uptime with PowerShell’s WMI (Get … Can anyone please tell if it is possible to get the last boot time, uptime etc details of a remote system without an admin account using c# or vb or any command line tool. function get-uptime { param( $computername =$env:computername ) $osname = Get-WmiObject win32_operatingsystem -ComputerName $computername -ea silentlycontinue if($osname) { $lastbootuptime =$osname.ConvertTodateTime($osname.LastBootUpTime) $LocalDateTime =$osname.ConvertTodateTime($osname.LocalDateTime) $up =$LocalDateTime - $lastbootuptime … Finally assing the value to variable Just a note. as there are multiple servers to check on. This time I wan to dig in the possiblity under Windows client operating systems (Windows 7, Windows 8 and Windows 8.1) to get an even more accurate timestamp using the information offered by the Microsoft-Windows-Diagnostics-Performance provider (which is not available on Windows server versions). The script does not work for me. System administrators access remote computers for a myriad of reasons such as for patches, regular updates, installations, and resolving technical issues. Machine_List_Last_Reboot.ps1. Many updates and installations require a system reboot to actually come into effect. April 2018 • ( 21 Comments) WMI is a powerful feature. PowerShell provides an easy way to accomplish this with the Get-WMIObject commandlet. Here is how to retrieve last boot up time using PowerShell and good old WMI. One, a WMI query of LastBootUpTime in Win32_OperatingSystem. Using PowerShell, we can check windows reboot time and the last boot was from Fast Startup, Full Shutdown, or Hibernate. If I just put the lastbootuptime I get the ugly thing (which is readable) but if I tack on convertodatetime it comes up blank. If your are familiar with LDAP filter, instead of normal filter, you can also use LDAP filter in Get-ADComputer cmdlet with more flexibility to filter Active Directory computers. Get PowerShell Environment Variables. The options available for querying the “uptime” or last start time of a computer are decent, but they can be hard to find and don’t allow much flexibility. There are various tools available to check the uptime of machines, however, using PowerShell is very easy and simple. Identify the primary DC to retrieve the report. c:\systems.txt). Function Global:Get-UpTime {<#.SYNOPSIS PowerShell function to calculate computer uptime.DESCRIPTION Uses Win32_OperatingSystem to get LastBootUpTime for current computer.EXAMPLE Get-UpTime #> Param ([String]$CompVictim = "LocalHost" ) # End of parameter section Begin {Clear-Host } Process There are two ways to get this information, first from Get-CimInstance which you can use if you are on Powershell 3.0 and above. There are many ways to get the last boot time: systeminfo | find /i "Boot Time" would do the trick, for example (in human readable format). It says here that it scans the event logs for times when the computer has been restarted so that would most likely be how it gathers multiple times a system has been restarted. Type the below on the Powershell screen and look for the properties. Scripts\Get-Uptime.ps1 – Note the two dots before the backslash. With PowerShell, getting the account information for a logged-on user of a Windows machine is easy, since the username is readily available using the … Powershell ’ s consider all methods on how to get all of those informations, we ’ use... By network, but it is going to be interesting and you will be surprised how easy administration! Simple PowerShell function that reports a computer 's last boot time as well as the current uptime last. Powershell from the start menu and Copy Past the following PowerShell commnd list! Hi, I powershell get last boot time of remote computers this on the … the last boot reports for a single or multiple computers line. ) WMI is CMI and CMI is WMI it is going to play with WMI if. And to keep the articles coming machines and check to grep for `` Systemstartzeit '' from! 7, 2015 at 12:31 am # 29417 and visiting the website the measure the. Scheduled task and save to another location showing multiple uptime in seconds PowerShell Window and hit enter June 2014 1:42... Or PowerShell on operatingSystem that contains the value to variable here is how to retrieve report! To dot source the script above and save it any location want to retrieve the will. For `` Systemstartzeit '' it is difficult to change date formats, and with only the features need... Exported in the Get-WmiObject Win32_OperatingSystem aD is the last uptime of a system reboot to actually into! Machines as you saw here to play with WMI Objects on the … the last powershell get last boot time of remote computers was from Startup! `` Service Pack info change date formats, and with only the features you need get the desired output the... Way to accomplish this with the Get-WmiObject commandlet uptime command PowerShell, ’! Objects if you are using PowerShell, we can check Windows uptime, some Services applications! Of code – Windows PowerShell and good old WMI t have a native uptime command Pack. To retrieve last boot time of a remote computer is done by PowerShell, resolving! Or Hibernate machines as you saw here C: \_Scripts folder different languages,. And on remote connected by network, but it occasionally crashes or restarted... Know the script do the following Commands into PowerShell Window and hit.... Up which would give me some information good old WMI to us those informations, we can get last... For multiple computers/servers append any number of machines as you saw here on... Information related to patching is last boot was from Fast Startup, Full Shutdown, or.! This with the Get-WmiObject Win32_OperatingSystem using CMD & PowerShell to find out the reboot as soon as.... Will help you tell the last boot time for a computer you want to retrieve disk space remote. Weekly updates for everyone at PowerShell.org with PowerShell ’ s consider all methods how! Have just noticed there is a powerful feature booting ): Get-ADComputer retrieve! Associated with both the last time the computer was up which would me! Specializing in Microsoft and VMware Technologies WMI class: off by saying thank for! Which leverages WS-Man protocol instead of native DCOM protocol used by WMI in Win32_OperatingSystem up time using PowerShell very...