####################################################################################################
# 1.DEX_Post_Install_config.ps1
#
# v01 March2011 by Ryan Barrett
#
# This is the new build script designed for Exchange 2010 installs
#
#
####################################################################################################

function UpdateExchangelicense ($ExchVersion){
    $DEX_Key_file = [xml](get-content "$SetupInstallPathRoot\DEX_Keys.xml" -EA 0)
    foreach($xmlVersion in $DEX_Key_file.selectNodes("//Exchange/Version")){
        switch ($xmlVersion.Name){
            "Standard Edition" {$StdVersion = $xmlVersion.Key}
            "Enterprise Edition" {$EntVersion = $xmlVersion.Key}
        }
    }
    switch ($ExchVersion){
        "Exchange Standard" {$StdVersion}
        "Exchange Enterprise" {$EntVersion}
    }
}

$SetupSCOMkey = "HKLM:\SOFTWARE\RACKSPACE\MAC"
$objConfigurationPath = "LDAP://" + ([ADSI]'LDAP://RootDSE').configurationNamingContext

$objPartitionPath = "LDAP://CN=Partitions," + ([ADSI]'LDAP://RootDSE').configurationNamingContext
$colPartition = [ADSI] $objPartitionPath
foreach($index in $colPartition.children){
    $objDNSName = [ADSI] $index.path
    if ($objDNSName.nCName -eq ([ADSI]'LDAP://RootDSE').defaultNamingContext){
        $objNETBios = $objDNSName.nETBIOSName
        $objInternalDNSName = $objDNSName.dnsRoot
    }
}        
$defaultExchangeAdminGroup = "Exchange Administrative Group (FYDIBOHF23SPDLT)"
$objHostName = [System.Net.Dns]::GetHostByName("localhost").HostName
$outFile = $objHostName + '_' + "Exchange" + '_' +"audit.xml"

$SetupInstallPathRoot = Get-Location | Get-Item
$SetupInstallPathParent = $SetupInstallPathRoot.Parent.FullName
$SetupInstallPath = "$SetupInstallPathParent\Exchange 2010 SP1"
    if(Test-Path "$SetupInstallPathRoot\$outFile"){

        $auditxml = [xml](get-content $outFile -EA 0)
        $Session = New-PSSession -ConfigurationName Microsoft.Exchange -ConnectionUri http://$objHostName/powershell/ -Authentication Kerberos
        Import-PSSession $Session

        $ServerNode=$auditxml.selectSingleNode("//Organization/InstallServer")
        $OrgNode=$auditxml.selectSingleNode("//Organization")
        $ExchKey = UpdateExchangelicense $ServerNode.ExchVersion
#        Set-ExchangeServer -Identity $objHostName $ExchKey
        if((Get-OutlookAnywhere) -eq $null){
            $objCASFQDN = $OrgNode.ExternalCAS + "." + $OrgNode.ExternalDNS
            Enable-OutlookAnywhere -Server: -ExternalHostName:''$objCASFQDN'' -SSLOffloading $false
        }
        $objDefaultRecConn = Get-ReceiveConnector -Server $objHostName|where{$_.Name -match "Default"}
        if($objDefaultRecConn -ne $null){    
            Write-Host "$objDefaultRecConn Receive Connector: " $objDefaultRecConn.PermissionGroups -ForegroundColor green
            Set-ReceiveConnector $objDefaultRecConn.name -PermissionGroups AnonymousUsers,ExchangeUsers,ExchangeServers,ExchangeLegacyServers
            Write-Host "`nNew Receive Connector Settings: " $objDefaultRecConn.PermissionGroups -ForegroundColor green
        }
        else{
            Write-Host "`nIgnored: $objHostName is not a Hub Transport Server" -ForegroundColor green
        }
        $ExtSendConn = Get-SendConnector|where{$_.SourceRoutingGroup -ne $defaultExchangeAdminGroup}
        if($ExtSendConn -ne $null){
            $objSendConn = $OrgNode.SendConnector + "." + $OrgNode.ExternalDNS
            New-SendConnector -Internet -Name "RS Exchange 2010 Send Connector" -AddressSpaces * -FQDN $objSendConn
            Write-Host "`nSend Connector FQDN: "+ $objSendConn -ForegroundColor green
        }
        $LegacyEmailPolicy = get-EmailAddressPolicy|where{$_.RecipientFilterType -eq "Legacy"}
        $DefaultEmailPolicy = (get-EmailAddressPolicy|where{$_.Identity -eq "Default Policy"}).EnabledEmailAddressTemplates
        if($LegacyEmailPolicy -eq $null){
            foreach($emailPolicy in $DefaultEmailPolicy){
                if($emailPolicy.ProxyAddressAddressTemplateString.contains("@" + $OrgNode.ExternalDNS)){
                    $objemailPolicy = $emailPolicy.ProxyAddressTemplateString
                }
            }
            Write-Host "`nEmail policy found: " $objemailPolicy -ForegroundColor green
#            $objEmailPolicy = $OrgNode.DefaultEmailPolicy + "@" + $OrgNode.ExternalDNS


 #           Set-EmailAddressPolicy "$DefaultEmailPolicy" -EnabledSMTPAddressTemplates $objEmailPolicy
        }
        Remove-PSSession $Session
    
        # Check if SCOM Agent is enabled
        if((Test-Path $SetupSCOMkey)){
            if((Get-ItemProperty $SetupSCOMkey).DedicatedExchange -eq "1"){
                    Write-Host "SCOM Registry Value is already enabled for this server" -ForegroundColor green
            }
            else{
                Set-ItemProperty -path $key -name DedicatedExchange -Type DWORD -value 1
                Write-Host "Added SCOM Support Registry Value for Dedicated Exchange" -ForegroundColor green
            }   
        }
        
    }
    else{
        write-host "Failed: can't find xml file to continue configuration"
    }