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PowerShell script to change Username and password for log on as service (using domain account) on remote server

Posted on 2014-01-28
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Last Modified: 2015-04-19
I am fairly new to Powershell and need to write a script to change the username and password on remote servers that have services that are set to use "log on as" using a domain account.  Is there a way to check this and then set the username and password
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Question by:CAD_SB
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becraig earned 500 total points
ID: 39816790
I wrote a fairly short script to reset and update service account passwords where service account matched the one provided.

The idea behind this script requires:
1) The service account you are looking for
2) The password you plan to change to in the AD
3) The list of servers you want to scan.

$acctname = "domain\user"
$svcpwd  = "password"
#Text file
$servers = (gc serverlist.txt) 
#from AD 
#Import-Module ActiveDirectory
#$servers = (Get-ADComputer -Filter *)

foreach ($server in $servers) 
{
#Query service
gwmi win32_service -computername $server | % { 
if ($_.StartName -eq $acctname)
{
$servicename = $_.Name
write-host "updating $servicename"
$svcnm = gwmi win32_service -computername $server -filter "name='$servicename'"
#Update Service
$svcnm.change($null,$null,$null,$null,$null,$null,"$UserName",$svcpwd,$null,$null,$null) 
#Stop Service
$svcnm.stopservice
#Start Service
$svcnm.startservice
}
}
}

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Expert Comment

by:becraig
ID: 39853966
I had previously inserted the wrong code snippet, find the correct one above.
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Author Comment

by:CAD_SB
ID: 39855031
perfect - thankyou
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Expert Comment

by:BSAIT
ID: 40732690
Is it possible to scan a remote server and select "all services" utilising the specific AD service account and change the password.
I would like to firstly reset the AD password account then select a server on the domain and reset the password for all services that use the specified service account?
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