functions/Remove-DbaClientAlias.ps1
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function Remove-DbaClientAlias { <# .SYNOPSIS Removes a sql alias for the specified server - mimics cliconfg.exe .DESCRIPTION Removes a SQL Server alias by altering HKLM:\SOFTWARE\Microsoft\MSSQLServer\Client .PARAMETER ComputerName The target computer where the alias will be created .PARAMETER Credential Allows you to login to remote computers using alternative credentials .PARAMETER Alias The alias or array of aliases to be deleted .PARAMETER WhatIf If this switch is enabled, no actions are performed but informational messages will be displayed that explain what would happen if the command were to run. .PARAMETER Confirm If this switch is enabled, you will be prompted for confirmation before executing any operations that change state. .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: Alias Author: Chrissy LeMaire (@cl), netnerds.net Website: https://dbatools.io Copyright: (C) Chrissy LeMaire, clemaire@gmail.com License: MIT https://opensource.org/licenses/MIT .LINK https://dbatools.io/Remove-DbaClientAlias .EXAMPLE Remove-DbaClientAlias -ComputerName workstationx -Alias sqlps Removes the sqlps SQL client alias on workstationx .EXAMPLE Get-DbaClientAlias | Remove-DbaClientAlias Removes all SQL Server client aliases on the local computer #> [CmdletBinding(SupportsShouldProcess = $true)] param ( [parameter(ValueFromPipelineByPropertyName = $true)] [DbaInstanceParameter[]]$ComputerName = $env:COMPUTERNAME, [PSCredential]$Credential, [parameter(Mandatory, ValueFromPipelineByPropertyName = $true)] [Alias('AliasName')] [string[]]$Alias, [Alias('Silent')] [switch]$EnableException ) begin { $scriptblock = { $Alias = $args $basekeys = "HKLM:\SOFTWARE\WOW6432Node\Microsoft\MSSQLServer", "HKLM:\SOFTWARE\Microsoft\MSSQLServer" foreach ($basekey in $basekeys) { $fullKey = "$basekey\Client\ConnectTo" if ((Test-Path $fullKey) -eq $false) { Write-Warning "Registry key ($fullKey) does not exist. Quitting." continue } if ($basekey -like "*WOW64*") { $architecture = "32-bit" } else { $architecture = "64-bit" } $all = Get-Item -Path $fullKey foreach ($entry in $all) { $e = $entry.ToString().Replace('HKEY_LOCAL_MACHINE', 'HKLM:\') foreach ($a in $Alias) { if ($entry.Property -contains $a) { Remove-ItemProperty -Path $e -Name $a [PSCustomObject]@{ ComputerName = $computer Architecture = $architecture Alias = $a Status = "Removed" } } } } } } } process { foreach ($computer in $ComputerName) { $null = Test-ElevationRequirement -ComputerName $computer -Continue if ($PSCmdlet.ShouldProcess("$($Alias -join ', ') on $computer", "Remove aliases")) { try { Invoke-Command2 -ComputerName $computer -Credential $Credential -ScriptBlock $scriptblock -ErrorAction Stop -Verbose:$false -ArgumentList $Alias } catch { Stop-Function -Message "Failure" -ErrorRecord $_ -Target $computer -Continue } } } } } |