PI Powershell

DisableExternalDataTablesNonImpersonatedUsers Class

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DisableExternalDataTablesNonImpersonatedUsers Class

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Last UpdatedDec 15, 2025
2 minute read

PI System
Powershell Tools for the PI System 2024 R2
Developer

Disables support for an AFTable to link to an external source with non-impersonated users.

This cmdlet is used to disable the PISystemFeatures.ExternallyLinkedTableWithNonImpersonatedUser feature in the PI AF SQL Server database. This feature controls support for allowing access to an externally linked AFTable for non-impersonated users. If supported, an externally linked AFTable is not required to use client impersonation.

Inheritance Hierarchy

SystemObject
  InternalCommand
    Cmdlet
      PSCmdlet
        OSIsoft.PowerShellOSICmdletBase
          OSIsoft.PowerShellDisableExternalDataTablesNonImpersonatedUsers

Namespace: OSIsoft.PowerShell
Assembly: OSIsoft.PowerShell (in OSIsoft.PowerShell.dll) Version: 3.1.1.0 (3.1.1.466)

Syntax

[CmdletAttribute("Disable", "AFExternalDataTablesNonImpersonatedUsers", SupportsShouldProcess = true)]
public class DisableExternalDataTablesNonImpersonatedUsers : OSICmdletBase

<CmdletAttribute("Disable", "AFExternalDataTablesNonImpersonatedUsers", SupportsShouldProcess := true)>
Public Class DisableExternalDataTablesNonImpersonatedUsers
	Inherits OSICmdletBase

Dim instance As DisableExternalDataTablesNonImpersonatedUsers

[CmdletAttribute(L"Disable", L"AFExternalDataTablesNonImpersonatedUsers", SupportsShouldProcess = true)]
public ref class DisableExternalDataTablesNonImpersonatedUsers : public OSICmdletBase

[<CmdletAttribute("Disable", "AFExternalDataTablesNonImpersonatedUsers", SupportsShouldProcess = true)>]
type DisableExternalDataTablesNonImpersonatedUsers =  
    class
        inherit OSICmdletBase
    end

The DisableExternalDataTablesNonImpersonatedUsers type exposes the following members.

Constructors

	Name	Description
	DisableExternalDataTablesNonImpersonatedUsers

Properties

	Name	Description
	AFServer	Instance of the AFServer

Examples

$afServer | Disable-AFExternalDataTablesNonImpersonatedUsers

Where:

$afServer = Get-AFServer -Name "AFServerMachineName"

Disables support for an AFTable to link to an external source with non-impersonated users.

PI Powershell