Why does Test-Connection force me to list reprocessing points?

Question

I noticed some behavior in PowerShell that I cannot explain, but I hope someone else can.

If I want to create a list of file objects from disk C:\, and I want to ignore shortcuts (reprocessing points) such as C:\Documents and Settings\. The following command works well:

$FileList = @(Get-ChildItem -Path C:\ -Recurse -Force -Attributes !ReparsePoint);
$FileList | Where-Object {$_.DirectoryName -like "*Documents and Settings*"};

The command Where-Objectreturns files as expected since it C:\Documents and Settings\is a reprocessing point.

However, if I run the command first Test-Connection, then the command Get-ChildItemwill ignore the parameter -Attributes !ReparsePointand it will pass C:\Documents and Settings\.

Test-Connection -Computer MyComputer;
$FileList = @(Get-ChildItem -Path C:\ -Recurse -Force -Attributes !ReparsePoint);
$FileList | Where-Object {$_.DirectoryName -like "*Documents and Settings*"};

Where-Object . , Test-Connection , , .

PowerShell 4.0 PowerShell 5.1. - , ?

---

. , , PowerShell (Run As Administrator). PowerShell, C:\Documents and Settings\.

Answer 1

, , -Attributes !ReparsePoint, SO : node_modules gci. TL;DR , -Recurse Get-ChildItem , -- , . , , : C:\Documents and Settings , , , . , C:\Documents and Settings\desktop.ini , . -Recurse , .

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$FileList = @(Get-ChildItem -Path C:\ -Depth 1 -Recurse -Force -Attributes !ReparsePoint);
$FileList | Where-Object {$_.DirectoryName -like "*Documents and Settings*"};

, - :

Get-ChildItem: "C:\Documents and Settings" .

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PS C:\> $FileList | Where-Object {$_.DirectoryName -like "*Documents and Settings*"};
PS C:\>
PS C:\> $FileList | Where-Object {$_.DirectoryName -like "*Users*"};


    Directory: C:\Users


Mode                LastWriteTime         Length Name
----                -------------         ------ ----
-a-hs-       2018-09-15   1:31 AM            174 desktop.ini

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Test-Connection, ( , ):

Test-Connection -Computer MyComputer;
$FileList2 = @(Get-ChildItem -Path C:\ -Depth 1 -Recurse -Force -Attributes !ReparsePoint);
$FileList2 | Where-Object {$_.DirectoryName -like "*Documents and Settings*"};

2 :

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PS C:\> $FileList2 | Where-Object {$_.DirectoryName -like "*Documents and Settings*"};    

    Directory: C:\Documents and Settings


Mode                LastWriteTime         Length Name
----                -------------         ------ ----
-a-hs-       2018-09-15   1:31 AM            174 desktop.ini

PS C:\> $FileList2 | Where-Object {$_.DirectoryName -like "*Users*"};


    Directory: C:\Users


Mode                LastWriteTime         Length Name
----                -------------         ------ ----
-a-hs-       2018-09-15   1:31 AM            174 desktop.ini

, , . Reparse Point . , , Remove-Item, .

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$FileList = @(Get-ChildItem -Path C:\ -Depth 1 -Recurse -Force -Attributes !ReparsePoint);
$FileList | Where-Object {$_.DirectoryName -like "*Documents and Settings*"};

, , :

PS C:\> $currentPrincipal = New-Object Security.Principal.WindowsPrincipal([Security.Principal.WindowsIdentity]::GetCurrent())
PS C:\> $currentPrincipal.IsInRole([Security.Principal.WindowsBuiltInRole]::Administrator)
True

, , . :

PS C:\> $currentPrincipal.Identities


AuthenticationType : Kerberos
ImpersonationLevel : None
IsAuthenticated    : True
IsGuest            : False
IsSystem           : False
IsAnonymous        : False
Name               : Contoso\HAL9256
Owner              : S-1-5-32-544
....
Token              : 3076
....

" " S-1-5-32-544 . , "". Test-Connection :

Test-Connection -Computer D4700;
$FileList2 = @(Get-ChildItem -Path C:\ -Depth 1 -Recurse -Force -Attributes !ReparsePoint);
$FileList2 | Where-Object {$_.DirectoryName -like "*Documents and Settings*"};

:

PS C:\> $currentPrincipal2 = New-Object Security.Principal.WindowsPrincipal([Security.Principal.WindowsIdentity]::GetCurrent())
PS C:\> $currentPrincipal2.IsInRole([Security.Principal.WindowsBuiltInRole]::Administrator)
True

, . :

PS C:\> $currentPrincipal2.Identities


AuthenticationType : Kerberos
ImpersonationLevel : Impersonation
IsAuthenticated    : True
IsGuest            : False
IsSystem           : False
IsAnonymous        : False
Name               : Contoso\HAL9256
Owner              : S-1-5-32-544
....
Token              : 4500
....

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3

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PS C:\> Enter-PSSession -ComputerName RemoteMachine -Credential (Get-Credential) -Authentication Kerberos

[RemoteMachine]: PS C:\Users\HAL9256\Documents> $FileList = @(Get-ChildItem -Path C:\ -Depth 1 -Recurse -Force -Attributes !ReparsePoint);
[RemoteMachine]: PS C:\Users\HAL9256\Documents> $FileList | Where-Object {$_.DirectoryName -like "*Documents and Settings*"};


    Directory: C:\Documents and Settings


Mode                LastWriteTime         Length Name
----                -------------         ------ ----
-a-hs-        7/16/2016   7:21 AM            174 desktop.ini


[RemoteMachine]: PS C:\Users\HAL9256\Documents>
[RemoteMachine]: PS C:\Users\HAL9256\Documents> $currentPrincipal = New-Object Security.Principal.WindowsPrincipal([Security.Principal.WindowsIdentity]::GetCurrent())
[RemoteMachine]: PS C:\Users\HAL9256\Documents> $currentPrincipal.IsInRole([Security.Principal.WindowsBuiltInRole]::Administrator)
True
[RemoteMachine]: PS C:\Users\HAL9256\Documents>
[RemoteMachine]: PS C:\Users\HAL9256\Documents> $currentPrincipal.Identities

AuthenticationType : Kerberos
ImpersonationLevel : Impersonation
IsAuthenticated    : True
IsGuest            : False
IsSystem           : False
IsAnonymous        : False
Name               : Contoso\HAL9256
Owner              : S-1-5-32-544
....
Token              : 4420
....

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