Remote-access Guide

powershell remote access requirements

by Rosalia Franecki Published 2 years ago Updated 2 years ago
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In order to run remote PowerShell commands, the following requirements apply: The target computer needs to have the Centrify Agent for Windows installed with the Centrify Privilege Elevation Service enabled. Assign the user to a role with the "PowerShell remote access is allowed" system right granted.

To run remote sessions on Windows PowerShell 2.0, the local and remote computers must have the following: Windows PowerShell 2.0 or later. The Microsoft .
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System requirements
  1. Windows PowerShell 3.0 or later.
  2. The Microsoft . NET Framework 4 or later.
  3. Windows Remote Management 3.0.
Mar 18, 2022

Full Answer

How do I enable remote PowerShell?

PowerShell remoting is enabled by default on Windows Server platforms. You can use Enable-PSRemoting to enable PowerShell remoting on other supported versions of Windows and to re-enable remoting if it becomes disabled. You have to run this command only one time on each computer that will receive commands.

How to run PowerShell command remotely?

  • On the target system, open PowerShell with admin rights.
  • Run this command: Set-NetFirewallRule -Name 'WINRM-HTTP-In-TCP' -RemoteAddress Any
  • Once the command is run, you will be able to access the system remotely and run PowerShell commands on it.

How to execute a PowerShell script available in remote machine?

Windows PowerShell Remoting

  • Start an Interactive Session. To start an interactive session with a single remote computer, use the Enter-PSSession cmdlet. ...
  • Run a Remote Command. To run a command on one or more computers, use the Invoke-Command cmdlet. ...
  • Run a Script. ...
  • Establish a Persistent Connection. ...
  • Advanced Remoting. ...

How to use PowerShell to install Windows updates remotely?

Windows Update PowerShell Module

  • Installation. By default PowerShell does not allow you to control Windows Update. ...
  • Powershell Command-List. Get-WUList: Get a list of available updates that meet certain criteria. ...
  • Check for updates
  • Install updates
  • Install an update on a remote PC
  • Block and Hide an update
  • Uninstall an update

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How do I enable remote access in PowerShell?

PowerShell remoting is enabled by default on Windows Server platforms. You can use Enable-PSRemoting to enable PowerShell remoting on other supported versions of Windows and to re-enable remoting if it becomes disabled. You have to run this command only one time on each computer that will receive commands.

What ports need to be open for remote PowerShell?

By default, enabling PowerShell remoting enables both an http and an https listener. The listeners run on default ports 5985 for http and 5986 for https.

Can you use PowerShell remotely?

Using the WS-Management protocol, Windows PowerShell remoting lets you run any Windows PowerShell command on one or more remote computers. You can establish persistent connections, start interactive sessions, and run scripts on remote computers.

Which protocol is used for PowerShell remoting?

PowerShell Remoting uses Windows Remote Management (WinRM), which is the Microsoft implementation of the Web Services for Management (WS-Management) protocol, to allow users to run PowerShell commands on remote computers.

How do you check PS remoting is enabled or not?

Answers. Just run Enter-PSSession -ComputerName localhost. If it enters the remote session, PS remoting is enabled.

How do I run a PowerShell script remotely?

You can use PowerShell Remoting (appeared in PowerShell 2.0) to run commands on one or several remote computers. PS Remoting is based on the Web Services for Management protocol (WS-Management). You can use the PS remoting interactive session mode, a temporary, or permanent connection to a remote computer.

How do I run PowerShell as administrator remotely?

The only way to get a remote PowerShell session to execute elevated (with admin privileges) is to connect with a user account (either implicitly or via -Credential ) that has admin privileges on the target machine. With such an account, the session automatically and invariably runs elevated.

How do I create a PowerShell session on a remote computer?

How to Create a PowerShell Session on a Remote ComputerEnabling PowerShell Remoting. Open the PowerShell with administrative privileges on the remote computer and execute the following command: Enable-PSRemoting -Force. ... Configure TrustedHosts. ... Restart WinRM Service. ... Test the Connection.

What port does PsExec use?

Remote CMD PsExec uses TCP ports 135 and 445. As a result, the two ports have to be open on the firewall.

What is port 135 commonly used for?

Microsoft Windows Networking Services Port 135 is used for RPC client-server communication; ports 139 and 445 are used for authentication and file sharing. UDP ports 137 and 138 are used for local NetBIOS browser, naming, and lookup functions.

What is port for RDP?

Overview. Remote Desktop Protocol (RDP) is a Microsoft proprietary protocol that enables remote connections to other computers, typically over TCP port 3389.

What is the port 3389?

Port 3389 is used to enable users to access remote computers. While in most cases this access is legitimate and approved by the owner of the physical machine, there are also port 3389 vulnerabilities that make it critical to limit access.

Create A Powershell Session

Command: Enter-PSSessionExample: Enter-PSSession -ComputerName REMOTE_COMPUTER_NAME -Credential USERNAMECreating a PSSession will allow an administ...

Join Computers to A Domain

Command: Add-ComputerExample: Add-Computer -ComputerName COMPUTER_NAMES_TO_BE_JOINED -DomainName DOMAIN.COM -Credential DOMAIN\USER -RestartWhile t...

Manage Other Applications and Services

Command: Import-ModuleExample: Import-Module -Name NAME_OF_POWERSHELL_MODULEOne of PowerShell's greatest benefits is its flexibility when it comes...

Powershell How's and Why's...

1. How to use PowerShell modules to knock out your admin chores 2. How to automate account pre-staging in WDS with PowerShell 3. How to switch betw...

How often can you enter credentials in PowerShell?

This allows you to enter the credentials once and use them on a per command basis as long as your current PowerShell session is active.

What is PowerShell session?

Similar to the CIM sessions discussed in Chapter 7, a PowerShell session to a remote computer can be used to run multiple commands against the remote computer without the overhead of a new session for each individual command.

Do you need to specify credentials when running a command?

Once the session is created using alternate credentials, it's no longer necessary to specify the credentials each time a command is run.

Can you start a service using invoke command?

That doesn't mean you can't start or stop a service using a method with Invoke-Command though. It just means that the method has to be called in the remote session.

Can you run a command on DC01?

Any commands you execute run on dc01, not on your local computer. Also, keep in mind that you only have access to the PowerShell commands that exist on the remote computer and not the ones on your local computer.

How to gain access to a monitoring system and configured devices

To gain access to monitoring system and configured devices, the following prerequisites should be met:

How to transfer a file from a monitoring system to a remote system

To use the script file transfer feature from a monitoring system to a remote devices, the following should be enabled:

How to access PowerShell script from a remote system

To access the PowerShell script from a remote device for execution, the following permission should be set:

How to remotely access PowerShell?

Windows remote access in PowerShell is typically accomplished by establishing a session via WinRM. WinRM must be installed and configured on both your management device as well as all devices you will be managing remotely.

What is port 5986?

Port 5986 for https connections (untrusted network – also required in some non-domain scenarios)

What is WinRM service?

Remember, WinRM is configured as both client and a service. The client is the settings used when the device establishes an outgoing session to a remote device. The service settings configure the listeners that respond to potential clients trying to establish a remote connection.

Does RPC work with PowerShell?

Keep in mind that the RPC protocol only works in Windows PowerShell and not with PowerShell Core (6+).

Does Invoke-Command run in parallel?

Invoke-Command runs commands in parallel, so keep that in mind. If you send a command to 500 servers, data that comes back will not be in the same order. For example, if server 25 in the list is the first to process the scriptblock, it will be the first to return results.

Can I connect to PowerShell from Linux?

It is definitely possible to configure remote PowerShell access from Windows to Linux and vice-versa. Unfortunately, the complexities of that configuration are beyond the scope of this course. There are several published articles covering various methods, but I have not found one today that covers every scenario well.

What is the benefit of PowerShell?

One of PowerShell's greatest benefits is its flexibility when it comes to managing just about anything--from Windows-based computing systems to applications like Microsoft Exchange. Some applications and system-level services permit only a certain level of management via GUI. The rest is defaulted to PS, so Microsoft is clearly leveraging the technology significantly.

Can you remove a module from PowerShell?

This is accomplished through the use of modules that contain the necessary codebase to run any number of additional cmdlets within PowerShell that target a specific service or application. Modules may be used only when needed by import ing them, at which point they will extend the PS functionality to a specific service or app. Once your work is done, you can remove the module from the active session without closing it altogether.

Can PowerShell be used on multiple computers?

PowerShell can make short work of the task. This cmdlet allows for multiple computers at once to be joined to a domain, while requiring the admin to enter his/her credentials only once.

How to run PowerShell as administrator?

In Windows 7 or 8, hit Start, and then type “powershell.”. Right-click the result and choose “Run as administrator.”.

How to run a command on a remote computer?

To run a command on the remote system, use the Invoke-Command cmdlet using the following syntax: “COMPUTER” represents the remote PC’s name or IP address. “COMMAND” is the command you want to run. “USERNAME” is the username you want to run the command as on the remote computer.

Is PowerShell locked down?

PowerShell is locked-down by default, so you’ll have to enable PowerShell Remoting before using it. This setup process is a bit more complex if you’re using a workgroup instead of a domain—for example, on a home network—but we’ll walk you through it.

Can you run PowerShell on a remote computer?

Your prompt changes to indicate the remote computer to which you’re connected, and you can execute any number of PowerShell cmdlets directly on the remote system.

Can PowerShell remote work in a workgroup?

Note: For PowerShell Remoting to work in a workgroup environment, you must configure your network as a private, not public, network. For more on the difference—and how to change to a private network if you already have a public network set up—check out our guide on private vs. public networks.

What is PowerShell remoting?

PowerShell’s one of the major strengths lies in its remote computing ability using various technologies. PowerShell remoting allows users to execute PowerShell ...

Why are there few cmdlets that can be executed on remote computers without having remoting configuration enabled?

This is because those cmdlets have Computer Name as a parameter. These types of cmdlets have certain communication protocols and work on all Windows machines.

How to test if WinRM is running?

To test the status of the remoting configuration, we can try to connect to the remote computer using the following cmdlet. The test-was man cmdlet can be used to check if the WinRM service is running on the target machine. If the service is enabled a success message is displayed along with the target machines details else an error message is thrown. The cmdlet can be used with either the target systems’ name or ip address. To test the status of the WinRM service in local Test-WSMan can be used.

How to allow all computers to connect to WinRM?

If you want to allow all computers to connect then you should use the wild card character “*”. Once the above cmdlet is run, the WinRM service must be restarted in orders for the settings to take effect. That can be achieved using the following cmdlet

How to start a session with a remote computer?

To start a session with a remote computer, a session needs to be established. Once the session is established the command prompts display name is changed to the display name of the machine to which the session is established . After that commands that are run on the local are executed on the remote machine and the results are displayed in the local computer.

Can a script run on two servers?

In the above command, the script is run on the mentioned two servers. If the session objects are stored in a variable, then any commands can be run on them. Since the sessions are saved then the input of one command can be passed to another command. In this case, the session is not on the local computer.

Can WSMan be used for advanced remoting?

Advanced remoting can be established using WSMan Provider.

Why is remote desktop important?

The remote computer uses a limited number of resources before authenticating the user, rather than starting a full remote desktop connection as in previous versions. It can help provide better security by reducing the risk of denial-of-service attacks.

What operating system is used for a client?

The client computer must be using an operating system, such as Windows 8.1, Windows 8, Windows 7, Windows Vista, or Windows XP with Service Pack 3, that supports the Credential Security Support Provider (CredSSP) protocol. The user will then be able to connect to the server or workstation.

2 - Allowing WMI counters access

We need to allow the user to access to the WMI counters. First we will be adding the user account to the local group named Performance Log Users:

3 - Allowing Windows Service Configuration Manager Access

We need to grant the user Windows Service Configuration Manager Access.

4 - Validating remote PowerShell connectivity

To validate remote PowerShell connectivity from the system that is running GSX Monitor, open a PowerShell console and enter the following commands:

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One-To-One Remoting

  • If you want your remote session to be interactive, then one-to-one remoting is what you want.This type of remoting is provided via the Enter-PSSessioncmdlet. In the last chapter, I stored my domain admin credentials in a variable named $Cred. If youhaven't already done so, go ahead and store your domain admin credentials in the $Credvariable. This ...
See more on docs.microsoft.com

One-To-Many Remoting

  • Sometimes you may need to perform a task interactively on a remote computer. But remoting is muchmore powerful when performing a task on multiple remote computers at the same time. Use theInvoke-Commandcmdlet to run a command against one or more remote computers at the same time. In the previous example, three servers were queried for the status of the Windows Ti…
See more on docs.microsoft.com

Powershell Sessions

  • In the last example in the previous section, I ran two commands using the Invoke-Commandcmdlet.That means two separate sessions had to be set up and torn down to run those two commands. Similar to the CIM sessions discussed in Chapter 7, a PowerShell session to a remote computer can beused to run multiple commands against the remote computer without t…
See more on docs.microsoft.com

Summary

  • In this chapter you've learned about PowerShell remoting, how to run commands in an interactivesession with one remote computer, and how to run commands against multiple computers usingone-to-many remoting. You've also learned the benefits of using a PowerShell session when runningmultiple commands against the same remote computer.
See more on docs.microsoft.com

Review

  1. How do you enable PowerShell remoting?
  2. What is the PowerShell command for starting an interactive session with a remote computer?
  3. What is a benefit of using a PowerShell remoting session versus just specifying the computer namewith each command?
  4. Can a PowerShell remoting session be used with a one-to-one remoting session?
See more on docs.microsoft.com

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