powershell - Exception in "ValidateCredentials" "The server cannot handle directory requests." -


i use windows powershell query , validate user's windows credentials during installation process. worked until yesterday. department in company has changed configuration of domain controller , following exception.

 exception calling "validatecredentials" "2" argument(s): "the server cannot handle directory requests." @ line:32 char:5 + if ($pc.validatecredentials($username, $credential.getnetworkcredenti ... +     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~     + categoryinfo          : notspecified: (:) [], methodinvocationexception     + fullyqualifiederrorid : directoryoperationexception

from research found out has missing ssl connection. have add contextoptions.securesocketlayer somewhere in code. the question is: right place put parameter? cannot find examples powershell.

here's script used check credentials:

$credential = $host.ui.promptforcredential("need credentials.", "for using windows integrated authentication please provide login information user has access microsoft sql server database.", "", "") if (!$credential) {     write-output "no credentials provided"     return }  [system.reflection.assembly]::loadwithpartialname('system.directoryservices.accountmanagement')  $system = get-wmiobject -class win32_computersystem  if ($credential.getnetworkcredential().domain) {     write-output "credentials contain domain"     if ($credential.getnetworkcredential().domain -eq $system.name) {         write-output "domain local system"         $pc = new-object -typename system.directoryservices.accountmanagement.principalcontext 'machine', $system.name     } else {         write-output "domain network domain"         $pc = new-object -typename system.directoryservices.accountmanagement.principalcontext 'domain', $credential.getnetworkcredential().domain     }     $username = $credential.username } elseif (0, 2 -contains $system.domainrole) {     $pc = new-object -typename system.directoryservices.accountmanagement.principalcontext 'machine', $system.name     $username = $system.name + '\' + $credential.getnetworkcredential().username } else {     $pc = new-object -typename system.directoryservices.accountmanagement.principalcontext 'domain', $system.domain     $username = $system.domain + '\' + $credential.getnetworkcredential().username }  if ($pc.validatecredentials($username, $credential.getnetworkcredential().password)) {     write-output "validation successfull" } else {     write-output "validation failed" }

as mentioned kiran in comments, can pass contextoptions value principalcontext constructor:

$defaultnc = "dc=$($system.domain -replace '\.',',dc=')" # ... $pc = new-object -typename system.directoryservices.accountmanagement.principalcontext 'domain', $system.domain, $defaultnc, ([system.directoryservices.accountmanagement.contextoptions]'securesocketlayer,negotiate')

an authentication option (negotiate or simplebind) must specified, 'securesocketlayer,negotiate' value


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