functions/Test-DbaDatabaseOwner.ps1
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function Test-DbaDatabaseOwner { <# .SYNOPSIS Checks database owners against a login to validate which databases do not match that owner. .DESCRIPTION This function will check all databases on an instance against a SQL login to validate if that login owns those databases or not. By default, the function will check against 'sa' for ownership, but the user can pass a specific login if they use something else. Only databases that do not match this ownership will be displayed, but if the -Detailed switch is set all databases will be shown. Best Practice reference: http://weblogs.sqlteam.com/dang/archive/2008/01/13/Database-Owner-Troubles.aspx .NOTES Tags: Author: Michael Fal (@Mike_Fal), http://mikefal.net Website: https://dbatools.io Copyright: (C) Chrissy LeMaire, clemaire@gmail.com License: GNU GPL v3 https://opensource.org/licenses/GPL-3.0 .PARAMETER SqlInstance Specifies the SQL Server instance(s) to scan. .PARAMETER SqlCredential Allows you to login to servers using SQL Logins instead of Windows Authentication (AKA Integrated or Trusted). To use: $scred = Get-Credential, then pass $scred object to the -SqlCredential parameter. Windows Authentication will be used if SqlCredential is not specified. SQL Server does not accept Windows credentials being passed as credentials. To connect as a different Windows user, run PowerShell as that user. .PARAMETER Database Specifies the database(s) to process. Options for this list are auto-populated from the server. If unspecified, all databases will be processed. .PARAMETER ExcludeDatabase Specifies the database(s) to exclude from processing. Options for this list are auto-populated from the server. .PARAMETER TargetLogin Specifies the login that you wish check for ownership. This defaults to 'sa' or the sysadmin name if sa was renamed. This must be a valid security principal which exists on the target server. .PARAMETER Detailed Deprecated .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. .LINK https://dbatools.io/Test-DbaDatabaseOwner .EXAMPLE Test-DbaDatabaseOwner -SqlInstance localhost Returns all databases where the owner does not match 'sa'. .EXAMPLE Test-DbaDatabaseOwner -SqlInstance localhost -TargetLogin 'DOMAIN\account' Returns all databases where the owner does not match 'DOMAIN\account'. #> [CmdletBinding()] param ( [parameter(Mandatory = $true)] [Alias("ServerInstance", "SqlServer")] [DbaInstanceParameter[]]$SqlInstance, [PSCredential]$SqlCredential, [Alias("Databases")] [object[]]$Database, [object[]]$ExcludeDatabase, [string]$TargetLogin = "sa", [Switch]$Detailed, [switch]$EnableException ) begin { Test-DbaDeprecation -DeprecatedOn "1.0.0" -Parameter "Detailed" } process { foreach ($instance in $SqlInstance) { try { Write-Message -Level Verbose -Message "Connecting to $instance." $server = Connect-SqlInstance -SqlInstance $instance -SqlCredential $sqlcredential } catch { Stop-Function -Message "Failure" -Category ConnectionError -ErrorRecord $_ -Target $instance -Continue } # dynamic sa name for orgs who have changed their sa name if (Test-Bound -ParameterName TargetLogin -Not) { $TargetLogin = ($server.logins | Where-Object { $_.id -eq 1 }).Name } #Validate login if (($server.Logins.Name) -notmatch $TargetLogin) { Stop-Function -Message "$TargetLogin is not a valid login on $instance. Moving on." -Target $instance -Continue } } #use online/available dbs $dbs = $server.Databases | Where-Object IsAccessible #filter database collection based on parameters if ($Database) { $dbs = $dbs | Where-Object { $Database -contains $_.Name } } if ($ExcludeDatabase) { $dbs = $dbs | Where-Object Name -NotIn $ExcludeDatabase } #for each database, create custom object for return set. foreach ($db in $dbs) { if ($db.IsAccessible -eq $false) { Stop-Function -Message "The database $db is not accessible. Skipping database." -Continue -Target $db } Write-Message -Level Verbose -Message "Checking $db" [pscustomobject]@{ ComputerName = $server.NetName InstanceName = $server.ServiceName SqlInstance = $server.DomainInstanceName Server = $server.DomainInstanceName Database = $db.Name DBState = $db.Status CurrentOwner = $db.Owner TargetOwner = $TargetLogin OwnerMatch = ($db.owner -eq $TargetLogin) } | Select-DefaultView -ExcludeProperty Server } } } |