# added write-output to match write-host as there is a limiation on either outputting to screen or outputting to file but not both

param($fileoutpath)
$thisdate = Get-Date 
$computername = $env:computername

# Set a default path for output file to root of c drive
If ($fileoutpath -eq $null) {$fileoutpath = "c:\"}

# Create an empty file object
Out-file -filepath $fileoutpath\EVBestPracticeRegKeys_$computername.txt

#size the script results window
function windowSize 
{
	$pshost = get-host
	$pswindow = $pshost.ui.rawui
	$newsize = $pswindow.buffersize
	$newsize.width = 125
	$newsize.height = 3000
	$pswindow.buffersize = $newsize
	$newsize = $pswindow.windowsize
	$newsize.width = 100
	$newsize.height = 55
	$pswindow.windowsize = $newsize
	Clear-Host
}


#format the output

function formatLine($strIn)
{
   $num = $strIn.Length
   for($i=1; $i -le $num; $i++)
   {$formatLine+= "="}
    Write-ho null " "
    Write-ho White "$strIn "
    Write-ho White $formatLine
}

#check for each reg entry (inc. Wow6432Node entries)

Function regcheck
{
	param($path, $key, $val)


	If ($path -Match "SOFTWARE\\KVS")
		{
		$x64RootPath = "HKLM:\SOFTWARE\Wow6432Node"
		If (test-path $x64RootPath)
			{
			$x64path = $path.Replace("SOFTWARE\KVS", "SOFTWARE\Wow6432Node\KVS")
			$path = $x64path
			}
		}

	formatLine ($key)
	Write-Host "$path\$key"

	If (test-path $path)
	{
		$psc = get-itemproperty -path $path

		If ($psc)
		{
			write-ho null "[Root Path Exists] "
			If ($psc.$key)
			{
			write-ho null "[Reg Value Exists] "
				If ($psc.$key -eq $val)
				{
				write-ho Green "[PASSED: Best Practice] "
				} 
				Else
				{
				write-ho Red "[FAILED: Best Practice Value is wrong] "
				}
			}

			Else

			{
			If ($psc.$key -eq $NULL) {write-ho Red "[FAILED: $key Value does not exist] "}
			Else {write-ho Red "[FAILED: $key exists with 0 value] "}	
			}
		}
	}

	Else
	{
	write-ho Red "[FAILED: Reg Path does not Exist] "
	}
}

#check the boot.ini file for 3GB and PAE

function bootini
{
	$fileContents = Get-Content -path "$env:systemDrive\boot.ini"
	Write-host -ForegroundColor White 
	formatline "Check boot.ini for /3GB and /PAE (line-by-line)"
	
	Switch -regex ($fileContents)
		{
		"/3GB" {Write-ho Red "[/3GB CHECK FAILED]"}
		"/PAE" {Write-ho Red "[/PAE CHECK FAILED]"}
		default {Write-ho Green "[PASSED]"} 
		}		
	Write-ho $null " "
} # End of function

# Output to file

function fileout
{
	param($output)
	$output | Out-file -filepath $fileoutpath\EVBestPracticeRegKeys_$computername.txt -append
}

# write to screen

function write-ho
{
	param($colour, $text)
	Switch -regex ($colour)
		{
		"null" {write-host $text} 
		"Red" {write-host -ForegroundColor Red $text} 
		"White" {write-host -ForegroundColor White $text}
		"Green" {write-host -ForegroundColor Green $text}
		}

	fileout	$text
}

windowsize
Set-ExecutionPolicy Remotesigned

write-ho null "Enterprise Vault Best Practice Registry Keys and Boot.ini Settings" 
Write-ho White "See http://support.veritas.com/docs/326236 for more information related to these settings." 
write-ho null " "

$RunAgainst = "Run against : $computername on $thisdate"
write-ho null $RunAgainst

bootini

formatline "Enterprise Vault 8.0 Specific Registry Settings"
Write-ho White "The following settings can now be set automatically in EV8 but are applicable in all" 
Write-ho White "versions of the product:" 

regcheck "HKLM:\SYSTEM\CurrentControlSet\Control\Session Manager\Memory Management" "PagedPoolSize" "-1"
regcheck "HKLM:\SYSTEM\CurrentControlSet\Control\Session Manager\Memory Management" "PoolUsageMaximum" "60"
regcheck "HKLM:\SOFTWARE\Microsoft\MSMQ\Parameters" "KernelMemThreshold" "95"
regcheck "HKLM:\SYSTEM\CurrentControlSet\Services\lanmanserver\parameters" "DisableStrictNameChecking" "1"
regcheck "HKLM:\SYSTEM\CurrentControlSet\Control\Lsa" "DisableLoopbackCheck" "1"
regcheck "HKLM:\SYSTEM\CurrentControlSet\Services\Tcpip\Parameters" "MaxUserPort" "65534"
regcheck "HKLM:\SYSTEM\CurrentControlSet\Services\Tcpip\Parameters" "TcpTimedWaitDelay" "120"
regcheck "HKLM:\SYSTEM\CurrentControlSet\Services\MRxSmb\Parameters" "OplocksDisabled" "1"
Write-ho null " "

Write-ho White "The following settings are general best practise settings for all versions of Enterprise Vault:" 

regcheck "HKLM:\SOFTWARE\KVS\Enterprise Vault\Indexing" "MaxMSMQMessageSize" "3670016"

Write-ho Red "Note: Redundant as of EV2007 SP4 when this issue was fixed!"
Write-ho null " "

regcheck "HKLM:\SOFTWARE\KVS\Enterprise Vault\Directory\DirectoryService" "ArchiveListChunkThreshold" "1000"

regcheck "HKLM:\SOFTWARE\KVS\Enterprise Vault\Indexing" "AVSMaxLoc" "500000000"
Write-ho Red "Note: This setting is no longer recommended or required`n and is now defaulted to 1billion"

regcheck "HKLM:\SOFTWARE\KVS\Enterprise Vault\Indexing" "SchemaType" "0"
regcheck "HKLM:\SOFTWARE\KVS\Enterprise Vault\Indexing" "SearchChunkSize" "5000"

Write-ho null " "
Write-ho Green "[ALL CHECKS COMPLETE]"
Write-ho null " "