Change SQL Server Service Accounts with Powershell

,

I needed to change SQL Server Account and Agent Account names and passwords across 15 servers due to a compliance issue.  This script can streamline that process for you.   I have included detailed comments in the script.  This script is not a fire and forget script.  You must interact with the script to validate that a successful backup was taken prior to making any changes.  

If each instance that is to have an account changed needs a different name and password a variable will need to be added dynamically pass that into the script. 

I hope you find this useful.  

Michael 

http://thesurfingdba.weebly.com/

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####################################
##
##  Change SQL Server Service and Agent Account and Password
##
##  If doing this for multiple server create a text file with the list of servers 
##  Additional functionality would need to be added if you want to also pass account name and password as variables but would be easy to add
##  Output will be written to screen reporting success or failure of backup
##
####################################



## create server list from comma seperated list
##$serverlist =  "<name of server>", "<name of server>", "<name of server>"

##server list from text file 
$serverlist = Get-Content C:\serverlist.txt

foreach($server in $serverlist)
    {

cd sqlserver:\sql\$server\default\JobServer\Jobs


##take a backup 
## modify the Where-Object filter if an different naming convention is used for your backup job

$job = dir | ?{$_.name -like '*backup*' -and $_.isenabled -eq 'true'}
$backup =$job.start()
start-sleep -s 5

##display current exectution status of backup job 
do 
{
"backup job running......"
$status = dir 
$status.refresh()

$status = dir | ?{$_.name -like '*backup*' -and $_.isenabled -eq 'true'} 

start-sleep -s 2

} while($status.CurrentRunStatus -contains 'executing')

## validate that backup completed enter yes to continue if backup failed enter No exit the process
write-host "Backup Last run outcome ----> "$status.LastRunOutcome -BackgroundColor Blue -ForegroundColor Red
$response = read-host -Prompt "Did backupjob for '$($server)' successfully complete Y/N"

if ($response -eq 'Y'){



##get sql service 
$service = get-wmiObject win32_service -computername $server | ?{$_.name -eq 'mssqlserver'} 

$agent = get-wmiObject win32_service -computername $server | ?{$_.name -eq 'SQLSERVERAGENT'} 


# change sql service account and password.  if acccount is local must put .\ in front of the account name
$changestatus = $service.change($null,$null,$null,$null,$null,$null,"<account name>","<password>",$null, $null, $null)

$changeagent = $agent.change($null,$null,$null,$null,$null,$null,"<account name>","<password>",$null, $null, $null)

## start-sleep added due to failures during testing.  this seemed to resolve the failures
start-sleep -s 2

##error handling will be written to screen to validate if account change and service restart is successful

if($changestatus.returnvalue -eq 0)
        {
        write-host $server'......service change successfull' -BackgroundColor Blue -ForegroundColor White
        }

if($changestatus.returnvalue -gt 0) ##if fails see what the return value is.  this link describes the return values https://msdn.microsoft.com/en-us/library/windows/desktop/aa393660(v=vs.85).aspx
        {
        write-host $server'......service change successfull' -BackgroundColor red -ForegroundColor yellow
        }
if($changeagent.returnvalue -eq 0)
        {
        write-host $server'......Agent service change successfull' -BackgroundColor green -ForegroundColor White
        }

if($changeagent.returnvalue -gt 0) ##if fails see what the return value is.  this link describes the return values https://msdn.microsoft.com/en-us/library/windows/desktop/aa393660(v=vs.85).aspx
        {
        write-host $server'......agent service change successfull' -BackgroundColor red -ForegroundColor yellow
        }

## stop service after service account change 
$stopagent = $agent.stopservice()
start-sleep -s 5

$stopservice = $service.stopservice()

## start-sleep added due to failures during testing.  this seemed to resolve the failures
Start-Sleep -s 5

if($stopservice.returnvalue -eq 0)  ##if fails see what the return value is.  this link describes the return values https://msdn.microsoft.com/en-us/library/windows/desktop/aa393660(v=vs.85).aspx
        {
    write-host $server'.....Service stopped successfully' -BackgroundColor Blue -ForegroundColor White
        }

if($stopservice.returnvalue -gt 0)
        {
    write-host $server'....Service stopped unsuccessfully' -BackgroundColor red -ForegroundColor yellow
        }
if($stopagent.returnvalue -eq 0)  ##if fails see what the return value is.  this link describes the return values https://msdn.microsoft.com/en-us/library/windows/desktop/aa393660(v=vs.85).aspx
        {
    write-host $server'.....Agent stopped successfully' -BackgroundColor green -ForegroundColor White
        }

if($stopagent.returnvalue -gt 0)
        {
    write-host $server'....Agent stopped unsuccessfully' -BackgroundColor red -ForegroundColor yellow
        }

## start service account and account change will take effect
$startservice = $service.startservice()

if($startservice.returnvalue -eq 0)
        {
    write-host $server'.....Service started successfully' -BackgroundColor Blue -ForegroundColor White
        }
if($startservice.returnvalue -gt 0)  ##if fails see what the return value is.  this link describes the return values https://msdn.microsoft.com/en-us/library/windows/desktop/aa393660(v=vs.85).aspx
        {
    write-host $server'.....service started unsuccessfully' -BackgroundColor red -ForegroundColor yellow
        }

$startagent = $agent.startservice()

if($startagent.returnvalue -eq 0)
        {
    write-host $server'.....agent started successfully' -BackgroundColor green -ForegroundColor White
        }
if($startagent.returnvalue -gt 0)  ##if fails see what the return value is.  this link describes the return values https://msdn.microsoft.com/en-us/library/windows/desktop/aa393660(v=vs.85).aspx
        {
    write-host $server'.....agent started unsuccessfully' -BackgroundColor red -ForegroundColor yellow
        }
            

    }
else {  ## if backup failed and No is entered process will bounce to the else

Write-Host "please check why backup did not complete successfully" -BackgroundColor Red -ForegroundColor blue 

}
}
##  validate script if you want to run and see if service is back up and running and what account it is running under
<#
write-host -----------------------------
write-host validate
write-host -----------------------------

## create server list from comma seperated list
##$vserverlist =  "<name of server>", "<name of server>", "<name of server>"

##server list from text file 
$vserverlist = Get-Content C:\serverlist.txt

foreach($vserver in $vserverlist)
    {
    ##get sql service 
$vservice = get-wmiObject win32_service -computername $vserver | ?{$_.name -eq 'mssqlserver'} 

$vagent = get-wmiObject win32_service -computername $vserver | ?{$_.name -eq 'SQLSERVERAGENT'} 
$vserver
$vservice.state
$vservice.startname
$vagent.state
$vagent.startname
write-host ----
    }
#>

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