Powershell not recognizing boolean argument

Question

I have the following PS script

param (
    # FQDN or IP address of the Domain Controller
    [Parameter(Mandatory=$True)]
    [string]$ADaddress,

    # Active directory domain name
    # example: directory.local
    [Parameter(Mandatory=$True)]
    [string]$ADDomainName,

    # Domain admin
    # example: [email protected]
    [Parameter(Mandatory=$True)]
    [string]$domainAdmin,

    # Domain admin password
    [Parameter(Mandatory=$True)]
    [string]$domainAdminPassword,

    # User to be added
    # example: testUser
    [Parameter (Mandatory=$True)]
    [string]$newUsername,

    # Password of th user to be added
    # example: 1!2#4%6
    [Parameter (Mandatory=$True)]
    [string]$newPassword,

    # SAM account name of the user to added
    # example: testuser
    [Parameter (Mandatory=$True)]
    [string]$newSamAccountName,

    # Display name of the user to added
    # example: "Test user for test purposes"
    [Parameter (Mandatory=$True)]
    [string]$newUserDisplayName
)

$domainAdminSecurePassword = $domainAdminPassword | ConvertTo-SecureString -asPlainText -Force
$domainAdminCredential = New-Object System.Management.Automation.PSCredential($domainAdmin, $domainAdminSecurePassword)
$newUserSecurePassword = $newPassword | ConvertTo-SecureString -asPlainText -Force
$UPN= $newUsername+"@"+$ADDomainName


Invoke-Command -ComputerName $ADaddress -Credential $domainAdminCredential `
    -ScriptBlock {`
        param($newUsername, $newUserSecurePassword, $newSamAccountName, $newUserDisplayName, $UPN) `
        new-aduser -name $newUsername -AccountPassword $newUserSecurePassword -Enabled $true -SamAccountName $newSamAccountName -DisplayName $newUserDisplayName -UserPrincipalName $UPN -PasswordNeverExpires $true`
    } `
    -ArgumentList $newUsername, $newUserSecurePassword, $newSamAccountName, $newUserDisplayName, $UPN

Tho problem I get when invoking this script is:

Cannot convert 'System.String' to the type 'System.Nullable`1[System.Boolean]' required by parameter 'PasswordNeverExpires'.

I tried passing 1 instead, passing [bool]$true but the result remains the same. I am new to PS and I'm lost here. Can anyone shine some light on what the problem may be?

Hmm, maybe escape the dollar sign in $true? Also, please use (Get-Credential) as a means to get domain admin user and password, and not pass these as command line parameters, if possible. — Vesper
– Vesper, Commented Jun 8, 2015 at 7:13
If so, maybe add a line $PNE=$true and add $PNE in the parameter list to your scriptblock? This way you will put a boolean as a parameter into it and should not have issues with type conversion. — Vesper
– Vesper, Commented Jun 8, 2015 at 7:22
Yet again, the error occurres. The strange thing for me is that it doesn't blow up on -Enabled $true but blows up on the -PasswordNeverExpires $true which are on the same line and part of the same command — Mario Stoilov
– Mario Stoilov, Commented Jun 8, 2015 at 7:27
Also, does rearranging the order change the error? Like if -PNE is not the last parameter on that line? — Ryan Bemrose
– Ryan Bemrose, Commented Jun 8, 2015 at 7:30

Mario Stoilov · Accepted Answer · 2015-06-08 07:31:48Z

6

Alright, I found what the problem was. Changed: -PasswordNeverExpires $true`

to

-PasswordNeverExpires $true ` (added a space after true)

answered Jun 8, 2015 at 7:31

Mario Stoilov

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1 Comment

Vesper Over a year ago

Dear me, I was suggesting this very trick at first, but then thought otherwise and edited the comment. Pity :)

john k · Accepted Answer · 2021-07-08 15:43:03Z

0

replacing $true with a variable did it for me. So this:

$command = 'New-CMApplicationDeployment -Name $Name -CollectionName $Col -OverrideServiceWindow $true  -Comment $Com -AvailableDateTime $Adt -DeployAction Install -DeployPurpose Available -UserNotification DisplaySoftwareCenterOnly'
Invoke-Expression -Command "& $command"

became:

$t = $true
$command = 'New-CMApplicationDeployment -Name $Name -CollectionName $Col -OverrideServiceWindow $t  -Comment $Com -AvailableDateTime $Adt -DeployAction Install -DeployPurpose Available -UserNotification DisplaySoftwareCenterOnly'
Invoke-Expression -Command "& $command"

Its dumb but it worked.

answered Jul 8, 2021 at 15:43

john k

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