In the –Wait parameter 3 main checks are validated − PowerShell, WMI, and WINRM connectivity. So whenever you specify the –Wait parameter, you have to wait until all three checks pass, however, if any of the checks fail then script freezes and can not further execute. If you know which specific check you want to perform then you can specify that value with the –For parameter as shown below.Here, for the example, we will run a single WMI check for the remote server.Restart-Computer Test1-Win2k12 -Wait -For Wmi -Force-For parameter must be used with –Wait parameter. Here, again if something goes ... Read More

When we use Restart-Computer command with the remote computer names, PowerShell restarts the mentioned remote computers without any checks or validations if the server has come up or not. This requirement is fulfilled with the - Wait parameter. Whenever the - Wait parameter specified, PowerShell performs the below 3 checks on the remote computer when the computer is restarting.This can be noticed in the Progress bar of the PowerShell console.PowerShell − If the computer can run the Powershell command on the remote machine.WMI − Performs the WMI query on the remote computer using the Win32_ComputerSystem command.WINRM − Checks the remote ... Read More

To restart the remote computer, you need to use the Restart-Computer command provided by the computer name. For example, Restart-Computer -ComputerName Test1-Win2k12The above command will restart computer Test1-Win2k12 automatically and if you have multiple remote computers to restart then you can provide multiple computers separated with comma (, ).For example, Restart-Computer -ComputerName Test1-Win2k12, Test2-Win2k12Restart signal will be sent to both the computers at a time in the above example.You can also use the Pipeline to restart remote computers. For example, "Test1-Win2k12", "Test2-Win2k12" | Restart-Computer -VerboseOR(Get-Content C:\Servers.txt) | Restart-Computer -Verbose Few servers have dependencies on the other servers so main servers ... Read More

To generate a strong password with the PowerShell, we can use 8 or more characters password. In the below example, we are going to use the 8 character password, you can change the number of characters as per your convenience.This script you can bind into windows forms and provide it to the IT helpdesk to set the password for new users.In this example, we will use the Random integers between 33 and 126 and convert it to the Character, considering them they are the ASCII values for characters.You can find more about ASCII values in the table provided in the ... Read More

To copy the items with the different credentials you need to use the credential parameter in the Copy-Item cmdlet.For example,Copy-Item C:\temp\* -Destination \Remoteshare\c$\temp -Credential (Get- Credential)Or$creds = (Get-Credential) Copy-Item C:\temp\* -Destination \Remoteshare\c$\temp -Credential $creds

Now it is easy to ZIP or extract (unzip) the files or folders using PowerShell. PowerShell has added features of the Archive module (Microsoft.PowerShell.Archive) from PowerShell 5.1 version.If you have PowerShell older version (version 4.0 or less) then you can download and install the module from the website or through the command line. However, only download and installing or manually copying the Archive module to the Module folder won’t work because it needs some dependent DLL files which are provided by .Net framework 4.5 so you need to consider upgrading .Net framework as well if it is below the 4.5 ... Read More

When you are writing a script and if you want to provide the user to select one option among multiple values and based on it to execute the command, we can generally use the Switch command and for it, we will ask the user choice in the below script.There is another .Net method to create a user menu, we will see it after the example from the description mentioned above.a. Switch command methodFor the Switch command-based user selection, we will first display the message for the user and then give him a choice for the selection through Read-Host command as ... Read More

SSL certificates are a very crucial part of the website. They play a key role in securing the exchange of information on both client and server sides by activating an HTTPS secure connection. In the below article with the PowerShell, we will get the certificate validity date (starting and expiry date) for the certificate using PowerShell.To achieve this, we need to make httpwebrequest but before that, we will ignore SSL warning by the below command.[Net.ServicePointManager]::ServerCertificateValidationCallback = { $true }And then we wil make the HTTP web request by calling a .Net class.$url = "https://www.microsoft.com/" $req = [Net.HttpWebRequest]::Create($url)When we check the ... Read More

Try/Catch block in PowerShell is to handle the errors which are produced in the script. To be specific, the errors should be terminating errors. The Finally block in the PowerShell is not mandatory to write each time along with Try/Catch but it will be executed regardless the error occurs or not.So when you use the Try block, the Catch block is mandatory but not Finally block.Try/Catch block with Terminating error − Below is the example of Terminating error without finally block.Exampletry{    This is not allowed    "This is Allowed" } catch{    Write-Host "Error occured" -BackgroundColor DarkRed }OutputPS C:\WINDOWS\system32> ... Read More

Like ErrorActionPreference variable, ErrorAction parameter works similarly. ErrorAction parameter supported in Advance functions and most of the built-in cmdlets in PowerShell. It is useful to convert the non-terminating error to the terminating error and then you can handle them with try/catch blocks.Supported Values and Examples, Continue − This is the default value of the ErrorAction parameter and Error will be displayed and commands listed in Pipeline will be executed further.Get-WmiObject -Class Win32_Logicaldisk -ComputerName Nonexist -ErrorAction Continue Write-Host "`nHello World" -BackgroundColor DarkGreenOutput Get-WmiObject : The RPC server is unavailable. At line:1 char:1 + Get-WmiObject -Class Win32_Logicaldisk -ComputerName Nonexist -ErrorA ... + ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ... Read More