functions/Get-DbaLinkedServer.ps1
function Get-DbaLinkedServer { <# .SYNOPSIS Gets all linked servers and a summary of information from the linked servers listed. .DESCRIPTION Retrieves information about each linked server on the instance(s). .PARAMETER SqlInstance The target SQL Server instance or instances. This can be a collection and receive pipeline input to allow the function to be executed against multiple SQL Server instances. .PARAMETER SqlCredential Login to the target instance using alternative credentials. Accepts PowerShell credentials (Get-Credential). Windows Authentication, SQL Server Authentication, Active Directory - Password, and Active Directory - Integrated are all supported. For MFA support, please use Connect-DbaInstance. .PARAMETER LinkedServer The linked server(s) to process - this list is auto-populated from the server. If unspecified, all linked servers will be processed. .PARAMETER ExcludeLinkedServer The linked server(s) to exclude - this list is auto-populated from the server .PARAMETER EnableException By default, when something goes wrong we try to catch it, interpret it and give you a friendly warning message. This avoids overwhelming you with "sea of red" exceptions, but is inconvenient because it basically disables advanced scripting. Using this switch turns this "nice by default" feature off and enables you to catch exceptions with your own try/catch. .NOTES Tags: LinkedServer, Linked Author: Stephen Bennett, https://sqlnotesfromtheunderground.wordpress.com/ Website: https://dbatools.io Copyright: (c) 2018 by dbatools, licensed under MIT License: MIT https://opensource.org/licenses/MIT .LINK https://dbatools.io/Get-DbaLinkedServer .EXAMPLE PS C:\> Get-DbaLinkedServer -SqlInstance DEV01 Returns all linked servers for the SQL Server instance DEV01 .EXAMPLE PS C:\> Get-DbaRegServer -SqlInstance DEV01 -Group SQLDEV | Get-DbaLinkedServer | Out-GridView Returns all linked servers for a group of servers from SQL Server Central Management Server (CMS). Send output to GridView. #> [CmdletBinding(DefaultParameterSetName = 'Default')] param ( [Parameter(Mandatory, ValueFromPipeline)] [DbaInstance[]]$SqlInstance, [PSCredential]$SqlCredential, [object[]]$LinkedServer, [object[]]$ExcludeLinkedServer, [switch]$EnableException ) process { foreach ($Instance in $SqlInstance) { try { $server = Connect-SqlInstance -SqlInstance $instance -SqlCredential $SqlCredential } catch { Stop-Function -Message "Error occurred while establishing connection to $instance" -Category ConnectionError -ErrorRecord $_ -Target $instance -Continue } $lservers = $server.LinkedServers if ($LinkedServer) { $lservers = $lservers | Where-Object { $_.Name -in $LinkedServer } } if ($ExcludeLinkedServer) { $lservers = $lservers | Where-Object { $_.Name -notin $ExcludeLinkedServer } } foreach ($ls in $lservers) { Add-Member -Force -InputObject $ls -MemberType NoteProperty -Name ComputerName -value $server.ComputerName Add-Member -Force -InputObject $ls -MemberType NoteProperty -Name InstanceName -value $server.ServiceName Add-Member -Force -InputObject $ls -MemberType NoteProperty -Name SqlInstance -value $server.DomainInstanceName Add-Member -Force -InputObject $ls -MemberType NoteProperty -Name Impersonate -value $ls.LinkedServerLogins.Impersonate Add-Member -Force -InputObject $ls -MemberType NoteProperty -Name RemoteUser -value $ls.LinkedServerLogins.RemoteUser Select-DefaultView -InputObject $ls -Property ComputerName, InstanceName, SqlInstance, Name, 'DataSource as RemoteServer', ProductName, Impersonate, RemoteUser, 'DistPublisher as Publisher', Distributor, DateLastModified } } } } # 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