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PowerShell check access or folder permissions


In an Active Directory domain, one of the common issues is folder permissions. Of course, permission must be restricted as much as possible. In order, confidential data or things that only a group of people will know, is not made available to everyone.

Employee salaries on a network share made available to everyone, will cause some employees to be disheartened. Such data, the access or folder permission should be checked properly.

One way to check a folder permission is to assume or login as a certain user that is not supposed to have access to such data and checked whether the data can be viewed or not.

Aside from restricting permissions for confidential data; data supposed to be accessed by everyone but some user’s complaint that they are unable to access then this will also cause some problem and may end up not being productive for the users.

One way to check is to go to the user’s workstation and verify whether the user is unable to access. This kind of issue is not hard to solve, but if there are multiple users who are complaining that they can’t access and checking one by one each user is not an easy task.

PowerShell can help on this kind of issue to verify whether the user’s account is denied access to a network share or not. In this method, the IT Administrator will save his or her time and is able to check without disturbing the user.

The code below will be able to check the folder permissions at the comfort of the IT Admin workstation, or if  working remotely via VPN or Direct Access then the code below will definitely help.


So, how to check user account folder permission remotely? PowerShell code snippet below will help to check folder permissions remotely using a specified account in question.

Here’s the code, to check whether a specific credential or domain account has access to a network share.

$the_password = ConvertTo-SecureString “PlainTextPassword” -AsPlainText -Force
$the_username = "domain_unknown_ufo\john.doe"

$CredAcess = New-Object System.Management.Automation.PSCredential ($the_username, $the_password)

 Invoke-Command -ComputerName $ComputerName -ScriptBlock {
            Get-ChildItem \\servername\sharename
        } -Credential $CredAcess

# domain_unknown_ufo – replace with the actual domain name
# john.doe - replace with the domain or user account
# \\servername\sharename - replace with the server name or IP Address & the also the actual shared folder name on the network

If the credential of the user has permissions to the shared folder, then the PowerShell script will list or retrieve the contents of the shared folder and it will be displayed after running above script.

However, if the specified credential does not have access or is not allowed to get the contents of the shared folder. Then an error like “PermissionDenied” will be shown or UnauthorizedAccessException error can be seen after running the script and no folders or contents of the shared folder is shown.
 
By running, the PowerShell script the IT Admin can check the permission issue right at his workstation.

The above script can also be used for newly created Active Directory or Domain account to verify that proper access account settings is set on the user account.


Cheers..till next time. :)


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