Powershell enable-mailbox help

I am struggling to do something in Powershell which I imagine should be relatively straightforward.  I have existing user accounts in a particular OU in AD, I now just want to enable mailboxes for these accounts.  I've been trying several variations of trying to pipe get-aduser to enable-mailbox but I just can't get it to work.

Basically the tactic I have been trying is:

$users = get-user -organizationalunit 'OU=TestOU,DC=company,DC=local'
$users | foreach ( $_ ) { enable-mailbox $users.identity -database Database }

I get the error:  "Cannot process argument transformation on parameter 'identity'. Cannot convert the "system.collections.arraylist" value of type "system.collections.arraylist" to type "microsoft.exchange.configuration.tasks.useridparameter"

If I set $users to = get-aduser -searchbase 'OU=TestOU,DC=company,DC=local' -filter *

and then try:

$users | foreach ( $_ ) { enable-mailbox $users.useridparameter -database Database }

I get an error saying 'Cannot bind argument to parameter 'identity' because it is null'

Anyone have any ideas?
RianaAsked:
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coraxalCommented:
You're on the right path, but your ForEach-Object cmdlet is setup incorrectly. You don't have to use parentheses when you're piping an array. The script should look something like this:
$users = Get-ADUser -Filter * -searchbase 'OU=TestOU,DC=company,DC=local'
$database = "Your Database Name Here"
$users | ForEach-Object { enable-mailbox $_.DistinguishedName -database $database }

Open in new window

Or, you could use a different variation like this:
$users = Get-ADUser -Filter * -searchbase 'OU=TestOU,DC=company,DC=local'
$database = "Your Database Name Here"

foreach ($user in $users)
{
	enable-mailbox $user.DistinguishedName -database $database
}

Open in new window

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SmightyCommented:
do the whole process with the GUI and then look at the Powershell output...
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RianaAuthor Commented:
Perfect, many thanks.
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