Block-SmbShareAccess

Block-SmbShareAccess

Adds a deny access control entry (ACE) for a trustee to the security descriptor of the Server Message Block (SMB) share.

Syntax

Parameter Set: InputObject (cdxml)
Block-SmbShareAccess -InputObject <CimInstance[]> [-AccountName <String[]> ] [-AsJob] [-CimSession <CimSession[]> ] [-Force] [-ThrottleLimit <Int32> ] [-Confirm] [-WhatIf] [ <CommonParameters>]

Parameter Set: Query
Block-SmbShareAccess [-Name] <String[]> [[-ScopeName] <String[]> ] [-AccountName <String[]> ] [-AsJob] [-CimSession <CimSession[]> ] [-Force] [-ThrottleLimit <Int32> ] [-Confirm] [-WhatIf] [ <CommonParameters>]

Detailed Description

The Block-SmbShareAccess cmdlet adds a deny access control entry (ACE) to the security descriptor of the Server Message Block (SMB) share.

Parameters

-AccountName<String[]>

Specifies the name of the account for the user who is being denied access to the share. Use a comma-separated list to deny share access to multiple accounts.

Aliases	none
Required?	false
Position?	named
Default Value	none
Accept Pipeline Input?	false
Accept Wildcard Characters?	false

-AsJob

Aliases	none
Required?	false
Position?	named
Default Value	none
Accept Pipeline Input?	false
Accept Wildcard Characters?	false

-CimSession<CimSession[]>

Runs the cmdlet in a remote session or on a remote computer. Enter a computer name or a session object, such as the output of a New-CimSession or Get-CimSession cmdlet. The default is the current session on the local computer.

Aliases	none
Required?	false
Position?	named
Default Value	none
Accept Pipeline Input?	false
Accept Wildcard Characters?	false

-Force

Forces the command to run without asking for user confirmation.

Aliases	none
Required?	false
Position?	named
Default Value	none
Accept Pipeline Input?	false
Accept Wildcard Characters?	false

-InputObject<CimInstance[]>

Specifies the input to this cmdlet. You can use this parameter, or you can pipe the input to this cmdlet.

Aliases	none
Required?	true
Position?	named
Default Value	none
Accept Pipeline Input?	True (ByValue)
Accept Wildcard Characters?	false

-Name<String[]>

Specifies the name of the SMB share.

Aliases	none
Required?	true
Position?	2
Default Value	none
Accept Pipeline Input?	True (ByPropertyName)
Accept Wildcard Characters?	false

-ScopeName<String[]>

Specifies the scope of the share specified by name.

Aliases	none
Required?	false
Position?	3
Default Value	none
Accept Pipeline Input?	True (ByPropertyName)
Accept Wildcard Characters?	false

-ThrottleLimit<Int32>

Specifies the maximum number of concurrent operations that can be established to run the cmdlet. If this parameter is omitted or a value of 0 is entered, then Windows PowerShell® calculates an optimum throttle limit for the cmdlet based on the number of CIM cmdlets that are running on the computer. The throttle limit applies only to the current cmdlet, not to the session or to the computer.

Aliases	none
Required?	false
Position?	named
Default Value	none
Accept Pipeline Input?	false
Accept Wildcard Characters?	false

-Confirm

Prompts you for confirmation before running the cmdlet.

Required?	false
Position?	named
Default Value	false
Accept Pipeline Input?	false
Accept Wildcard Characters?	false

-WhatIf

Shows what would happen if the cmdlet runs. The cmdlet is not run.

Required?	false
Position?	named
Default Value	false
Accept Pipeline Input?	false
Accept Wildcard Characters?	false

<CommonParameters>

This cmdlet supports the common parameters: -Verbose, -Debug, -ErrorAction, -ErrorVariable, -OutBuffer, and -OutVariable. For more information, see    about_CommonParameters (https://go.microsoft.com/fwlink/p/?LinkID=113216).

Inputs

The input type is the type of the objects that you can pipe to the cmdlet.

• None

Outputs

The output type is the type of the objects that the cmdlet emits.

• Microsoft.Management.Infrastructure.CimInstance#root/Microsoft/Windows/SMB/MSFT_SmbShareAccessControlEntry

  The Microsoft.Management.Infrastructure.CimInstance object is a wrapper class that displays Windows Management Instrumentation (WMI) objects. The path after the pound sign (#) provides the namespace and class name for the underlying WMI object.
  The MSFT_SmbShareAccessControlEntry object represents the new SMB share ACE.

Examples

EXAMPLE 1

This example adds a deny ACE for a trustee to the security descriptor of an SMB share named VMFiles.

PS C:\> Block-SmbShareAccess -Name VMFiles -AccountName Contoso\Guest

EXAMPLE 2

This example adds a deny ACE for a trustee to the security descriptor of an SMB share named VMFiles without confirmation from the user.

PS C:\> Block-SmbShareAccess -Name VMFiles -AccountName "Guest Users" -Force

Related topics

Get-SmbShareAccess

Grant-SmbShareAccess

Revoke-SmbShareAccess

Unblock-SmbShareAccess