PowerShell SMTPSERVER help

trgrassijr · September 29, 2018, 12:15pm

I have many power shell scripts on my servers that report to me status

I have Exchange 2016 CU10 DAG setup 2 NODES

My scripts all point to NODE 1 but when I take down NODE 1 for maintenance No email is received. thru NODE 2 I changed the script to point to NODE 2 and it works great.

How can I automatically switch from NODE 1 to NODE 2?

Here is a sample script I use.

$Server = hostname
$Subject = “$Server Delete VSS Report”
$Body = “Open attachment for Delete VSS Report”
$From = “no-reply@mynet.com”
$To = “systems-alert@mynet.com”
$LogFolder = “c:\util\logs”
$LogFile = “vss.txt”

remove-item -path $LogFolder$LogFile -Force

vssadmin list shadows >>$LogFolder$LogFile
vssadmin delete shadows /all /quiet >>$LogFolder$LogFile
vssadmin list shadows >>$LogFolder$LogFile

$PSEmailServer = “SERV021-N1.MYNET.COM”
Send-MailMessage -From $From -To $To -Subject $Subject -Body $Body -smtpserver $PSEmailServer -attachment “$LogFolder$LogFile”

SERV021-N2.MYNET.COM IS NODE 2

Thank you

Tom

schlauge · September 29, 2018, 12:28pm

You could detect the availability of the two servers and make a decision which to use for Hostname

$Mailservers = @("HOST1","HOST2")
if (Test-Connection -ComputerName $Mailservers[0] -Count 1 -Quiet) {
    # first Server is UP
    $Nailserver = $Mailservers[0]
}
elseif (Test-Connection -ComputerName $Mailservers[1] -Count 1 -Quiet) {
    # second server is UP
    $Mailserver = $Mailservers[1]
 } else {
     Write-Error "No Mailservers Available"
 }

trgrassijr · September 29, 2018, 12:33pm

Schlauge,

Thanks for the fast reply.

That’s a good start.

I should have mentioned that both server are up and running. When I meant it was in Maint Mode it is applying upgrades to Exchange.

I need a check that will detect the Exchange Server is in Maint mode.

Thoughts?

schlauge · September 29, 2018, 12:46pm

How do you determine the state where you would consider the Exchange server in MaintMode? Are you running another script, externally, tp place the Exchange server into Maintenance. That should point you in the right direction.

I’m not an Exchange guy, but I found this with a quick search.
Get-ServerComponentState
or
Exchange Maintenance Mode

trgrassijr · September 29, 2018, 1:10pm

Schlauge

the output of the Get-servercomponetstate is

[PS] C:\Windows\system32>get-servercomponentstate -Identity SERV021-N1

Server Component State

SERV021-N1.mynet.com ServerWideOffline
SERV021-N1.mynet.com HubTransport
SERV021-N1.mynet.com FrontendTransport
SERV021-N1.mynet.com Monitoring
SERV021-N1.mynet.com RecoveryActionsEnabled
SERV021-N1.mynet.com AutoDiscoverProxy
SERV021-N1.mynet.com ActiveSyncProxy
SERV021-N1.mynet.com EcpProxy
SERV021-N1.mynet.com EwsProxy
SERV021-N1.mynet.com ImapProxy
SERV021-N1.mynet.com OabProxy
SERV021-N1.mynet.com OwaProxy
SERV021-N1.mynet.com PopProxy
SERV021-N1.mynet.com PushNotificationsProxy
SERV021-N1.mynet.com RpsProxy
SERV021-N1.mynet.com RwsProxy
SERV021-N1.mynet.com RpcProxy
SERV021-N1.mynet.com UMCallRouter
SERV021-N1.mynet.com XropProxy
SERV021-N1.mynet.com HttpProxyAva
SERV021-N1.mynet.com ForwardSyncDaemon
SERV021-N1.mynet.com ProvisioningRps
SERV021-N1.mynet.com MapiProxy
SERV021-N1.mynet.com EdgeTransport
SERV021-N1.mynet.com HighAvailability
SERV021-N1.mynet.com SharedCache
SERV021-N1.mynet.com MailboxDeliveryProxy
SERV021-N1.mynet.com RoutingUpdates
SERV021-N1.mynet.com RestProxy
SERV021-N1.mynet.com DefaultProxy
SERV021-N1.mynet.com Lsass
SERV021-N1.mynet.com RoutingService
SERV021-N1.mynet.com E4EProxy
SERV021-N1.mynet.com CafeLAMv2
SERV021-N1.mynet.com LogExportProvider Is there a way to check the HubTransport Status Active vs Inactive? Active
Active
Active
Active
Active
Active
Active
Active
Active
Active
Active
Active
Active
Active
Active
Active
Active
Active
Active
ilabilityGroup Active
Inactive
Inactive
Active
Active
Active
Active
Active
Active
Active
Active
Active
Active
Active
Active
Active

Also this would need to be run remotely since all servers do not have exchange powershell commands available

They all can remote into the exchange server using New-PSSEssion

Thoughts

trgrassijr · September 29, 2018, 1:33pm

Schlauge

How about this command

Test-NetConnection -ComputerName SERV021-N1 -port 25

ComputerName : SERV021-N1
RemoteAddress : 10.2.2.17
RemotePort : 25
InterfaceAlias : Local Area Connection
SourceAddress : 10.2.2.69
TcpTestSucceeded : True

schlauge · September 29, 2018, 1:35pm

You can try PSRemoting to get the state of the HubTrasnport component.
The overall logic is the same:

<pre class="brush:powershell"
$servers = @("SERV021-N1","SERV021-N2")

Some work to get status of Server

maybe invoke-command or somethignelse

I dont know what this code should be, this needs to get the status of the Hubtransport from each Exchange server

$ExchHubTransportStatus = Invoke-Command -ComputerName $servers -ScriptBlock {get-servercomponentstate -Component HubTransport }

if ( $ExchHubTransportStatus[0].state -eq "Active") {
# first Server is UP
$Mailserver = $ExchHubTransportStatus[0].Server
}
elseif ($ExchHubTransportStatus[0].state -eq "Active") {
# second server is UP
$Mailserver = $ExchHubTransportStatus[1].Server
} else {
Write-Error "No Mailservers Available"
}

trgrassijr · September 29, 2018, 1:38pm

Schlauge

Your code below looks good can we use this

Test-NetConnection -ComputerName SERV021-N1 -port 25

Output is in my last posting above

This will test if port 25 is available
$Mailservers = @(“HOST1”,“HOST2”)

if (Test-Connection -ComputerName $Mailservers[0] -Count 1 -Quiet) {

first Server is UP

$Nailserver = $Mailservers[0]

}

elseif (Test-Connection -ComputerName $Mailservers[1] -Count 1 -Quiet) {

second server is UP

$Mailserver = $Mailservers[1]

} else {

Write-Error “No Mailservers Available”

}

TcpTestSucceeded : False when port is not available

kvprasoon · September 30, 2018, 2:20am

I would do like below.

Create a function to send mail, then

$Mailservers = @("HOST1","HOST2")
$Mailserver = ''
$Mailservers | ForEach-Object -Process {
   if (Test-Connection -ComputerName $_ -Count 1 -Quiet) {
     $Mailserver = $_
   }
}
if($Null -ne $Mailserver){
   # Call send mail function here
}
else{
   # Throw here
}

#Or 

$Mailserver = Test-Connection -ComputerName $Mailservers -Count 1 -ErrorAction SilentlyContinue
if($Null -ne $Mailserver){
   # Call send mail function here
   $ActiveServer = ($Mailserver|Get-Random)
}
else{
   # Throw here using $Error
}

btwn,
It would be great if you update the post by formatting the code using code posting tags , this makes other to easily understand your code, below link will help you.

How to format code in this forum

trgrassijr · September 30, 2018, 5:47pm

Guys

[PRE]Invoke-Command -ComputerName $Mailservers[0] -FilePath c:\Util\get-exchangestatus.ps1 [/PRE]

I created the script get-exchangestatus.ps1 on my exchange servers in the folder c:\util

but when I run the command above it returns command not found.

So I placed the script on my local c drive in the same folder it ran but had this error

[PRE]Active Directory operation failed on . The supplied credential for ‘MYNET\myaccount’ is invalid.

+ CategoryInfo : NotSpecified: ( , ADInvalidCredentialException

+ FullyQualifiedErrorId : [Server=SERV021-N1,RequestId=2b810f62-fd8c-4b97-91cb-69958d5d7ba0,TimeStamp=9/30/2018 1:44:28 PM] [FailureCategory=Cmdlet-ADInvalidCredentialException] 3A548CBE

+ PSComputerName : SERV021-N1.mynet.com
[/PRE]

So how can I run the script on the exchange server?

I have many servers that need to run this script

I thought the invoke-command would work

Thoughts?

schlauge · September 30, 2018, 10:26pm

Tom,

Start with Enter-PSSession from a Powershell prompt

[PRE]
Enter-PSSEssion -ComputerName SERV021-N1
[/PRE]

If you can connect to connect to the remote server, then run the Get-ServerComponentState

[PRE]
Get-ServerComponentState -Component HubTransport
[/PRE]

IF this works, then you can expand that to the previous script I provided. It looks like my last, got garbled somehow…

[PRE]
$Mailservers = @(“SERV021-N1”,“SERV021-N2”)
$MailSvrStatus = Invoke-Command -ComputerName $mailServers -ScriptBlock {
Enter-PSSEssion -ComputerName SERV021-N1

if ( {
# first Server is UP
$Nailserver = $Mailservers[0]
}
elseif (Test-Connection -ComputerName $Mailservers[1] -Count 1 -Quiet) {
# second server is UP
$Mailserver = $Mailservers[1]
} else {
Write-Error “No Mailservers Available”
}
[/PRE]

kvprasoon · September 30, 2018, 10:29pm

You are passing credentials, please show us the script you are using and note the
“To format code, use the Text…” above the text box for formatting the code.
Backticks or [pre] cannot be used to format code

schlauge · September 30, 2018, 10:32pm

Tom,

Break this down into little chunks…
…Can you get the Mail Server’s Maint Status from the server running the script…

Try starting with Enter-PSSession from a PowerShell prompt

Enter-PSSEssion -ComputerName SERV021-N1

If you can connect to connect to the remote server, then run the Get-ServerComponentState from within the session

Get-ServerComponentState -Component HubTransport

IF all this works, then you can expand that to the previous script I provided. It looks like my last, got garbled somehow…

$Mailservers = @("SERV021-N1","SERV021-N2")
$mailServerStatus = Invoke-Command -ComputerName $mailServers -ScriptBlock { Get-ServerComponentState -Component HubTransport }

if ( $mailServerStatus[0].State -eq "Active" ) {
# first Server is UP
$Nailserver = $Mailservers[0].Server
}
elseif ($mailServerStatus[1].State -eq "Active") {
# second server is UP
$Mailserver = $Mailservers[1].Server
} else {
Write-Error "No Mailservers Available"
}

if you can’t get a PSSession to get the data you are looking for… then you’ll need some other method to get the state of Maintenance Mode.

I hope this helps…

trgrassijr · October 1, 2018, 5:52pm

Get-ServerComponentState -Component HubTransport

The term ‘Get-ServerComponentState’ is not recognized as the name of a cmdlet, function, script file, or operable program. Check the spelling of the name, or if a path was included, verify that the path is correct and try again.
+ CategoryInfo : ObjectNotFound: (Get-ServerComponentState:String) , CommandNotFoundException
+ FullyQualifiedErrorId : CommandNotFoundException

In the scriptblock can I load the exchange powershell module?
The command is this how do I wrap that in the scriptb block?
Add-PSSnapin microsoft.exchange.management.powershell.SnapIn;

Thank

ilikecheese · October 1, 2018, 7:25pm

Perhaps a better way to tell if the Exchange server is ready, is to utilize the Test-ServiceHealth cmdlet. That is provided you are running the script from the Exchange management shell where this cmdlet is available.

It will check if all required services are running on said Exchange server. And if they are running, you will be OK to send mail through it.

Simply edit to your original sample script, replace the following line:

$PSEmailServer = "SERV021-N1.MYNET.COM"

with an if statement that checks if services are running, then sets your PSEmailServer variable with the server name:

 if (Test-ServiceHealth -Server SERV021-N1.MYNET.COM | ? {$_.RequiredServicesRunning -eq $False}) 
	{$PSEmailServer = "SERV021-N2.MYNET.COM"} 
	else {$PSEmailServer = "SERV021-N1.MYNET.COM"}

trgrassijr · October 1, 2018, 8:18pm

I Like Cheese

Nice command but I still need the exchange powershell modules loaded.

I am trying this

$Session = New-PSSession -ConfigurationName Microsoft.Exchange -ConnectionUri http://$MailServers[0]/PowerShell/ -Authentication Kerberos -Credential $cred
Import-PSSession $Session -DisableNameChecking
$mailServerStatus = Get-ServerComponentState -Identity $EMailservers[0] -Component HubTransport

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PowerShell SMTPSERVER help

Some work to get status of Server

maybe invoke-command or somethignelse

I dont know what this code should be, this needs to get the status of the Hubtransport from each Exchange server

first Server is UP

second server is UP

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