Merge branch 'master' of github.com:MikeFal/PowerShell

Author: Mike Fal

Set-SqlServiceAccount.ps1

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+#HT http://blogs.technet.com/b/heyscriptingguy/archive/2010/11/03/use-powershell-to-change-sql-server-s-service-accounts.aspx
+[System.Reflection.Assembly]::LoadWithPartialName('Microsoft.SqlServer.SqlWmiManagement')| Out-Null
+function Set-SqlServiceAccount{
+    param([string[]] $Instance
+        ,[System.Management.Automation.PSCredential]$ServiceAccount
+        ,[ValidateSet('SqlServer','SqlAgent')] $service = 'SqlServer'
+    )
+    
+    #Get Service Account name from credential object
+    $account =$ServiceAccount.GetNetworkCredential().Domain +'\'+ $ServiceAccount.GetNetworkCredential().UserName
+    
+    #Loop through and change instances
+    foreach($i in $Instance){
+        #Parse host and instance names
+        $HostName = ($i.Split('\'))[0]
+        $InstanceName = ($i.Split('\'))[1]
+
+        #Get service account names, set service account for change
+        $sqlsvc = if($InstanceName){"MSSQL`$$InstanceName"}else{'MSSQLSERVER'}
+        $agtsvc = if($InstanceName){"SQLAGENT`$$InstanceName"}else{'SQLSERVERAGENT'}
+
+        $ServiceName = switch($service){
+            'SqlServer'{$sqlsvc}
+            'SqlAgent'{$agtsvc}
+        }
+
+        #Use wmi to change account
+        $smowmi = New-Object Microsoft.SqlServer.Management.Smo.Wmi.ManagedComputer $HostName
+        $wmisvc = $smowmi.Services | Where-Object {$_.Name -eq $ServiceName}
+        $wmisvc.SetServiceAccount($account,$ServiceAccount.GetNetworkCredential().Password)
+    
+        #If Agent service isn't running (happens if you reset SQL Service), start it
+        $wmiagt = $smowmi.Services | Where-Object {$_.Name -eq $agtsvc}
+        if($wmiagt.ServiceSatus -ne 'Running'){$wmiagt.Start()}
+    }
+}
+
+
+<#
+$cred = Get-Credential 'Enter Service Account'
+Set-SqlServiceAccount -Instance PICARD -ServiceAccount $cred -Service SqlServer
+#>

Set-SqlStartupParameters.ps1

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+[System.Reflection.Assembly]::LoadWithPartialName('Microsoft.SqlServer.SqlWmiManagement')| Out-Null
+
+function Set-SQLStartupParameters{
+    param([string[]] $Instance
+        ,[string[]] $StartupParameters
+    )
+    [bool]$SystemPaths = $false
+    
+    #Loop through and change instances
+    foreach($i in $Instance){
+        #Parse host and instance names
+        $HostName = ($i.Split('\'))[0]
+        $InstanceName = ($i.Split('\'))[1]
+
+        #Get service account names, set service account for change
+        $ServiceName = if($InstanceName){"MSSQL`$$InstanceName"}else{'MSSQLSERVER'}
+
+        #Use wmi to change account
+        $smowmi = New-Object Microsoft.SqlServer.Management.Smo.Wmi.ManagedComputer $HostName
+        $wmisvc = $smowmi.Services | Where-Object {$_.Name -eq $ServiceName}
+
+        $oldparams = $wmisvc.StartupParameters -split ';'
+        $newparams = @()
+        foreach($param in $StartupParameters){
+            if($param.Substring(0,2) -match '-d|-e|-l'){
+                $SystemPaths = $true
+                $newparams += $param
+                $oldparams = $oldparams | Where-Object {$_.Substring(0,2) -ne $param.Substring(0,2)}
+            }
+            else{
+                $newparams += $param
+            }
+        }
+
+        $newparams += $oldparams | Where-Object {$_.Substring(0,2) -match '-d|-e|-l'}
+        $wmisvc.StartupParameters = ($newparams | Sort-Object) -join ';'
+        $wmisvc.Alter()
+        
+        Write-Warning "Startup Parameters for $i updated. You will need to restart the service for these changes to take effect."
+        If($SystemPaths){Write-Warning "You have changed the system paths for $i. Please make sure the paths are valid before restarting the service"}
+
+    }
+}