Change Managed Account Password

Within Power Shell type the following commands

$inManagedAcct = Read-Host 'Service Account'


$managedAcct = Get-SPManagedAccount $inManagedAcct

$inPass = Read-Host 'Enter Password' -AsSecureString

$inPassConfirm = Read-Host 'Confirm Password' -AsSecureString

Set-SPManagedAccount -Identity $managedAcct -NewPassword $inPass -ConfirmPassword $inPassConfirm -SetNewPassword